RefID Author MedlineID Title 11 Carr, JK 8709215 Full-length sequence and mosaic structure of a human immunodeficiency virus type 1 isolate from Thailand. 14 Howard, TM 8893049 Genomic structure and nucleotide sequence analysis of a new HIV type 1 subtype A strain from Nigeria. 16 Gao, F 8794346 The heterosexual human immunodeficiency virus type 1 epidemic in Thailand is caused by an intersubtype (A/E) recombinant of African origin. 17 Salminen, MO 8891112 Full-length sequence of an Ethiopian human immunodeficiency virus type 1 (HIV-1) isolate of genetic subtype C. 18 Soto-Ramirez, LE 8948366 HIV-1 pol sequences from India fit distinct subtype pattern. 54 Winslow, DL 7734183 Limited sequence diversity of the HIV type 1 protease gene from clinical isolates and in vitro susceptibility to HIV protease inhibitors. 55 Yamaguchi, K 8519793 Clinical isolates of HIV-1 contain few pre-existing proteinase inhibitor resistance-conferring mutations. 64 Condra, JH 8970946 Genetic correlates of in vivo viral resistance to indinavir, a human immunodeficiency virus type 1 protease inhibitor. 66 Schapiro, JM 8633817 The effect of high-dose saquinavir on viral load and CD4+ T-cell counts in HIV-infected patients. 67 Winters, MA 9087484 Human immunodeficiency virus type 1 reverse transcriptase genotype and drug susceptibility changes in infected individuals receiving dideoxyinosine monotherapy for 1 to 2 years. 68 Schmit, J-C 8853733 Resistance-related mutations in the HIV-1 protease gene of patients treated for 1 year with the protease inhibitors ritonavir (ABT-538). 69 Shafer, RW 9188616 Sequence and drug susceptibility of subtype C reverse transcriptase from human immunodeficiency virus type 1 seroconverters in Zimbabwe. 71 Demeter, LM 10681363 Delavirdine susceptibilities and associated reverse transcriptase mutations in human immunodeficiency virus type I isolates from patients in a phase I/II trial of delavirdine monotherapy (ACTG 260). 72 Shafer, RW 7541064 Drug resistance and heterogeneous long-term virologic responses of human immunodeficiency virus type 1 - infected subjects to zidovudine and didanosine combination therapy. 77 Alizon, M 2424612 Genetic variability of the AIDS virus: nucleotide sequence analysis of two isolates from African patients. 107 Cornelissen, M 9261352 Pol diversity of five HIV-1 subtypes: Evidence for naturally occurring mutations that contribute to drug resistance, limited recombination patterns, and common ancestry for subtypes B and D. 110 McIntosh, A Complete genome sequence of a Cambridge isolate of human immunodeficiency virus type 1. 113 Fitzgibbon, JE 1317143 Human immunodeficiency virus type 1 pol gene mutations which cause decreased susceptibility to 2',3'-dideoxycytidine. 134 Vanden Haesevelde, M 8107220 Genomic cloning and complete sequence analysis of a highly divergent African human immunodeficiency virus isolate. 135 Gurtler, LG 8107219 A new subtype of human immunodeficiency virus type 1 (MVP-5180) from Cameroon. 140 Quinones-Mateu, ME 7576917 Molecular characterization of human immunodeficiency virus type 1 from Venezuela. 141 Molla, A 8673921 Ordered accumulation of mutations in HIV protease confers resistance to ritonavir. 142 Vallejo, A 9715837 Tropism, co-receptor use, and genetic characterization of the V3 loop and the protease gene of HIV-1 group O isolates. 144 Shafer, RW 8133086 Combination therapy with zidovudine and didanosine selects for drug-resistant human immunodeficiency virus type 1 strains with unique patterns of pol gene mutations. 148 Gao, F 8627686 Molecular cloning and analysis of functional envelope genes from human immunodeficiency virus type 1 sequence subtypes A through G. The WHO and NIAID networks for HIV isolation and characterization. 150 Ellenberger, DL 10024047 Genetic analysis of human immunodeficiency virus in Abidjan, Ivory Coast reveals predominance of HIV type 1 subtype A and introduction of subtype G. 151 Nijhuis, M 9237704 Lamivudine-resistant human immunodeficiency virus type 1 variants (184V) require multiple amino acid changes to become co-resistant to zidovudine in vivo. 154 Pieniazek, D 9866744 Evidence for the introduction of multiple HIV-1 subtypes in Lebanon. 155 Zhang, Y-M 9261388 Drug resistance during indinavir therapy is caused by mutations in the protease gene and in its gag substrate cleavage sites. 158 Descamps, D 9343254 Susceptibility of human immunodeficiency virus type 1 group O isolates to antiretroviral agents: In vitro phenotypic and genotypic analyses. 160 Gao, F 9621027 A comprehensive panel of near-full-length clones and reference sequences for non-subtype B isolates of human immunodeficiency virus type 1. 165 Apetrei, C 9557632 Human immunodeficiency virus type 1 subtype F reverse transcriptase sequence and drug susceptibility. 167 Graf, M 9491920 Cloning and characterization of a virtually full-length HIV-1 genome from a subtype B'-Thai strain representing the most prevalent B-clade isolate in china. 168 Shafer, RW 9634429 Multiple concurrent reverse transcriptase and protease mutations and multidrug resistance of HIV-1 isolates from heavily treated patients. 173 Shafer, RW 10024054 Sequence and drug susceptibility of HIV-1 type C protease from human immunodeficiency virus type 1 seroconverters in Zimbabwe. 177 Winters, MA 9573309 Human immunodeficiency virus type 1 protease genotypes and in vitro protease inhibitor susceptibilities of isolates from individuals who were switched to other protease inhibitors after long-term saquinavir treatment. 180 Lole, KS 9847317 Full-length human immunodeficiency virus type 1 genomes from subtype C-infected seroconverters in India, with evidence of intersubtype recombination. 181 Mulato, AS 9660994 Genotypic and phenotypic characterization of human immunodeficiency virus type 1 variants isolated from AIDS patients after prolonged adefovir dipivoxil therapy. 183 Carr, JK 9683568 Full genome sequences of human immunodeficiency virus type 1 subtypes G and A/G intersubtype recombinants. 531 Lin, PF 7963708 Genotypic and phenotypic analysis of human immunodeficiency virus type 1 isolates from patients on prolonged stavudine therapy. 602 Ruiz, L 8970679 Efficacy of triple combination therapy with zidovudine (ZDV) plus zalcitabine (ddC) plus lamivudine (3TC) versus double (ZDV+3TC) combination therapy in patients previously treated with ZDV+ddC. 697 Albert, J 7520096 Analysis of a rape case by direct sequencing of the human immunodeficiency virus type 1 pol and gag genes. 701 Jonassen, TO 9143301 Sequence analysis of HIV-1 group O from Norwegian patients infected in the 1960s. 704 Ruiz, L 9732064 Efficacy of adding indinavir to previous reverse transcriptase nucleoside analogues in relation to genotypic and phenotypic resistance development in advanced HIV-1-infected patients. 705 Patick, AK 9756769 Genotypic and phenotypic characterization of human immunodeficiency virus type 1 variants isolated from patients treated with the protease inhibitor nelfinavir. 708 Oelrichs, RB 9824329 A novel subtype A/G/J recombinant full-length HIV Type 1 genome from Burkina Faso. 709 Gao, F 9811767 An isolate of human immunodeficiency virus type 1 originally classified as subtype I represents a complex mosaic comprising three different group M subtypes. 711 Craig, C 9764779 HIV protease genotype and viral sensitivity to HIV protease inhibitors following saquinavir therapy. 718 Winters, MA 9819361 A 6-basepair insert in the reverse transcriptase gene of human immunodeficiency virus type 1 confers resistance to multiple nucleoside inhibitors. 720 Oelrichs, RB 10221535 Full-length genomic sequence of a subtype G HIV-1 from Kinshasa. 722 Tanuri, A 9925514 Genetic variation and susceptibilities to protease inhibitors among subtype B and F isolates in Brazil. 724 Novitsky, VA 10196340 Molecular cloning and phylogenetic analysis of human immunodeficiency virus type 1 subtype C: A set of 23 full-length clones from Botswana. 735 Orlandi, P 9803964 Analysis of HIV-1 reverse transcriptase gene mutations in infected children treated with zidovudine. 742 Palmer, S 10397560 Highly drug-resistant HIV-1 clinical isolates are cross-resistant to many antiretroviral compounds in current clinical development. 753 Lawrence, J 10228055 Clinical resistance patterns and responses to two sequential protease inhibitor regimens in saquinavir and reverse transcriptase inhibitor-experienced persons. 755 Zolopa, AR 10610625 HIV-1 genotypic resistance patterns predict response to saquinavir/ritonavir in patients in whom previous protease inhibitor therapy failed. 756 Shulman, NS 10839657 Efavirenz- and adefovir dipivoxil-based salvage therapy in highly treatment-experienced patients: Clinical and genotypic predictors of virologic response. 763 Deeks, SG 10228057 Novel four-drug salvage treatment regimens after failure of a human immunodeficiency virus type 1 protease inhibitor-containing regimen: antiviral activity and correlation of baseline phenotypic drug susceptibility with virologic outcome. 764 Venturi, G 10385016 Genotypic resistance to zidovudine as a predictor of failure of subsequent therapy with human immunodeficiency virus type-1 nucleoside reverse-transcriptase inhibitors. 769 Simon, F 9734396 Identification of a new human immunodeficiency type 1 group distinct from group M and group O. 771 Masquelier, B 10682151 Zidovudine resensitization and dual HIV-1 resistance to zidovudine and lamivudine in the Delta lamivudine roll-over study. 779 Cabana, M 10534730 Emergence and genetic evolution of HIV-1 variants with mutations conferring resistance to multiple reverse transcriptase and protease inhibitors. 780 Gatanaga, H 10580399 Anti-HIV effect of saquinavir combined with ritonavir is limited by previous long-term therapy with protease inhibitors. 781 Milazzo, L 10534153 Evidence of stavudine-related phenotypic resistance among zidovudine-pretreated HIV-1-infected subjects receiving a therapeutic regimen of stavudine plus lamivudine. 783 Montavon, C 10606094 The identification of a complex A/G/I/J recombinant HIV type 1 virus in various West African countries. 784 Laukkanen, T 10725202 Virtually full-length subtype F and F/D recombinant HIV-1 from Africa and South America. 786 Liitsola, K 10933619 An AB recombinant and its parental HIV type 1 strains in the area of the former Soviet Union: Low requirements for sequence identity in recombination. UNAIDS virus isolation network. 787 Novitsky, VA 10890363 HIV-1 A/J recombinant with a pronounced pol gene mosaicism. 792 Pellegrin, I 10509572 Emergence of zidovudine and multidrug-resistance mutations in the HIV-1 reverse transcriptase gene in therapy-naive patients receiving stavudine plus didanosine combination therapy. 800 Triques, K 10659053 Near full length genome sequencing of divergent African HIV type 1 subtype F viruses leads to identification of a new HIV type 1 designated K. 801 Jonassen, TO 10628816 Intersubtype recombinant HIV type 1 involving HIV-MAL-like and subtype H-like sequence in four Norwegian cases. 802 Holguin, A 10772537 Recombinant human immunodeficiency viruses type 1 circulating in Spain. 805 Becker-Pergola, G 10826487 Analysis of HIV type 1 protease and reverse transcriptase in antiretroviral drug naive Ugandan adults. 806 Venturi, G 10669367 Antiretroviral resistance mutations in human immunodeficiency virus type 1 reverse transcriptase and protease from paired cerebrospinal fluid and plasma samples. 808 Falloon, J 10671334 Combination therapy with amprenavir, abacavir, and efavirenz in human immunodeficiency virus (HIV)-infected patients failing a protease-inhibitor regimen: pharmacokinetic drug interactions and antiviral activity. 817 Miller, V 10708287 HIV-1 reverse transcriptase (RT) genotype and susceptibility to RT inhibitors during abacavir monotherapy and combination therapy. 819 Op de Coul, E 10716370 Genetic evidence of multiple transmissions of HIV type 1 subtype F within Romania from adult blood donors and to children. 820 Shulman, NS 11468426 Genotypic correlates of a virologic response to stavudine after zidovudine monotherapy. 823 Sevin, AD 10882582 Methods for investigating the relationship between drug-susceptibility phenotype and HIV-1 genotype with applications to ACTG 333. 825 Huang, W A novel HIV-1 RT mutation (M230L) confers NNRTI resistance and dose-dependent stimulation of replication. 827 Holguin, A 11018859 Protease gene analysis of HIV Type 1 non-B subtypes in Spain. 828 Belec, L 10823790 High levels of drug resistance human immunodeficiency virus variants in patients exhibiting increasing CD4 + t cell counts despite virologic failure of protease inhibitors containing antiretroviral combination therapy. 834 Coakley, EP 10708277 Phenotypic and genotypic resistance patterns of HIV-1 isolates derived from individuals treated with didanosine and stavudine. 835 Carr, JK 10513639 Characterization of subtype A HIV-1 from Africa by full genome sequencing. 838 Quinones-Mateu, ME 9765445 Analysis of pol gene heterogeneity, viral quasispecies, and drug resistance in Individuals infected with Group O strains of human immunodeficiency virus type 1. 839 Atkinson, B 10915071 Correlation between human immunodeficiency virus genotypic resistance and virologic response in patients receiving nelfinavir monotherapy or nelfinavir with lamivudine and zidovudine. 842 Bacheler, LT 10952598 Human immunodeficiency virus type 1 mutations selected in patients failing efavirenz combination therapy. 843 Brindeiro, RM 10390221 Sequence diversity of the reverse transcriptase of human immunodeficiency virus type 1 from untreated Brazilian individuals. 849 Balotta, C 10969347 Prevalence of multiple dideoxynucleoside analogue resistance (MddNR) in a multicenter cohort of HIV-1 infected Italian patients with virologic failure. 852 Jorgensen, LB 11075938 Genotypic and phenotypic nevirapine resistance correlates with virological failure during salvage therapy including abacavir and nevirapine. 853 Vergne, L 11060045 Genetic diversity of protease and reverse transcriptase sequences in non-subtype-B human immunodeficiency virus type 1 strains: evidence of many minor drug resistance mutations in treatment-naive patients. 854 Anderson, JP 11044120 Testing the hypothesis of a recombinant origin of human immunodeficiency virus type 1 subtype E. 857 Parkin, NT 11153669 Loss of antiretroviral drug susceptibility at low viral load during early virological failure in treatment-experienced patients. 860 Rousseau, MN 11176267 Patterns of resistance mutations to antiretroviral drugs in extensively treated HIV-1-infected patients with failure of highly active antiretroviral therapy. 861 de Baar, Michel P 11018858 Natural residues versus antiretroviral drug-selected mutations in HIV type 1 group O reverse transcriptase and protease related to virological drug failure in vivo. 862 Kijak, GH 11417764 Resistance profiles to antiretroviral drugs in HIV-1 drug-naive patients in Argentina. 863 Papa, A 11955641 HIV-1 subtypes and circulating recombinant forms (CRFs) in Northern Greece. 864 Parkin, NT Discordance between genotype-based predictions of protease inhibitor susceptibility and actual phenotype in HIV-1 isolates containing mutations at positions 82 and 90: Modulatory effects of mutations at secondary positions. 865 Brun, S Patterns of protease inhibitor cross resistance in viral isolates with reduced susceptibility to lopinavir. 866 Perez, EE 11170983 Human immunodeficiency virus type 1 protease genotype predicts immune and viral responses to combination therapy with protease inhibitors (PIs) in PI-naive patients. 867 Koch, N 11177411 Genetic analysis of HIV type 1 strains in Bujumbura (Burundi): Predominance of subtype C variant. 869 Maguire, M 11850255 Emergence of resistance to protease inhibitor amprenavir in human immunodeficiency virus type 1-infected patients: Selection of four alternative viral protease genotypes and influence of viral susceptibility to coadministered reverse transcriptase nucleoside inhibitors. 870 Gonzales, MJ 11574914 HIV-1 reverse transcriptase and protease subtypes: Classification, amino acid mutation patterns, and prevalence in a northern California clinic-based population. 871 Thomson, MM 11242148 HIV-1 genetic diversity in Galicia Spain: BG intersubtype recombinant viruses circulating among injecting drug users. 872 Balotta, C 11511828 Increasing prevalence of non-clade B HIV-1 strains heterosexuals, as monitored by the analysis of the RT and protease sequences. 874 Walter, H 11142619 Phenotypic HIV-1 resistance correlates with treatment outcome of nelfinavir salvage therapy. 875 Servais, J 11181376 Variant human immunodeficiency virus type 1 proteases and response to combination therapy including a protease inhibitor. 876 Si-Mohamed, A 10882588 Selection of drug-resistant variants in the female genital tract of human immunodeficiency virus type 1-infected women receiving antiretroviral therapy. 879 Bacheler, LT 11333879 Genotypic correlates of phenotypic resistance to efavirenz in virus isolates from patients failing nonnucleoside reverse transcriptase inhibitor therapy. 880 Servais, J 11158089 Comparison of DNA sequencing and a line probe assay for detection of human immunodeficiency virus type 1 drug resistance mutations in patients failing highly active antiretroviral therapy. 885 Delgado, E 11429115 Analysis of HIV type 1 protease and reverse transcriptase sequences from Venezuela for drug resistance-associated mutations and subtype classification: A UNAIDS study. 886 Holguin, A 11326002 Prevalence of human immunodeficiency virus type 1 (HIV-1) Non-B subtypes in foreigners living in Madrid, Spain, and comparison of the performances of the AMPLICOR HIV-1 MONITOR version 1.0 and the new automated version 1.5. 890 Koulinska, IN 11282011 A new human immunodeficiency virus type 1 circulating recombinant form from Tanzania. 891 Van Laethem, K 10770556 Patient HIV strains carrying the multiple nucleoside resistance mutations are cross-resistant to abacavir. 892 Yahi, N 11294661 Use of drug resistance sequence data for the systematic detection of non-B human immunodeficiency virus type 1 (HIV-1) subtypes: How to create a sentinel site for monitoring the genetic diversity of HIV-1 at a country scale. 894 Janssens, W 10954895 Near full-length genome analysis of HIV type 1 CRF02.AG subtype C and CRF02.AG subtype G recombinants. 895 Caumont, A 11559429 Sequence analysis of env C2/V3, gag p17/p24, and pol protease regions of 25 HIV type 1 isolates from Ho Chi Minh city, Vietnam. 896 Masciotra, S 10890362 Evidence of a high frequency of HIV-1 subtype F infections in a heterosexual population in Buenos Aires, Argentina. 897 Nkengasong, JN 10866237 Distribution of HIV-1 subtypes among HIV-seropositive patients in the interior of Cote d'Ivoire. 898 Pandrea, I 11559431 HIV type 1 genetic diversity and genotypic drug susceptibility in the Republic of Moldova. 900 Piyasirisilp, S 11070028 A recent outbreak of human immunodeficiency virus type 1 infection in southern China was initiated by two highly homogeneous, geographically separated strains, circulating recombinant form AE and a novel BC recombinant. 901 Thomson, MM 10839601 Widespread circulation of a B/F intersubtype recombinant form among HIV-1-infected individuals in Buenos Aires, Argentina. 902 Vicente, AC 11324755 Genetic variability of HIV-1 protease from Nigeria and correlation with protease inhibitors drug resistance. 903 Weidle, PJ 11391172 Resistance to antiretroviral therapy among patients in Uganda. 904 Cornelissen, M 10644851 Spread of distinct human immunodeficiency virus type 1 AG recombinant lineages in Africa. 906 Kempf, DJ 11462018 Identification of genotypic changes in human immunodeficiency virus protease that correlate with reduced susceptibility to the protease inhibitor lopinavir among viral isolates from protease inhibitor-experienced patients. 909 Fitzgibbon, JE 11602042 Emergence of drug resistance mutations in a group of HIV-infected children taking nelfinavir-containing regimens. 910 Piyasujabul, D 12126721 Effect of perinatal short-course zidovudine on the clinical and virological manifestations of HIV-1 subtype E infection in infants. 911 Sirivichayakul, S 11485625 Survey of reverse transcriptase from the heterosexual epidemic of human immunodeficiency virus type 1 CRF01_AE in Thailand from 1990 to 2000. 912 van Harmelen, J, 11709097 Characterization of full-length HIV type 1 subtype C sequences from South Africa. 913 Zachary, KC 11700580 Human immunodeficiency virus type 1 hypersusceptibility to amprenavir in vitro can be associated with virus load response to treatment in vivo. 930 Snoeck, J 11955642 Prevalence and origin of HIV-1 group M subtypes among patients attending a Belgian hospital in 1999. 933 Fonjungo, PN 11880402 Human immunodeficiency virus type 1 group m protease in Cameroon: Genetic diversity and protease inhibitor mutational features. 934 Tebit, DM 11804555 Genotypic and phenotypic analysis of HIV type 1 primary isolates from western Cameroon. 935 de Sa Filho, DJ Mutations associated with drug resistance in a population of drug naive HIV-1 infected individuals. 937 Vergne, L 11832686 Resistance to antiretroviral treatment in Gabon: need for implementation of guidelines on antiretroviral therapy use and HIV-1 drug resistance monitoring in developing countries. 944 Kantor, R 11897594 Evolution of primary protease inhibitor resistance mutations during protease inhibitor salvage therapy. 951 Gonzales, MJ 12660525 Extended spectrum of HIV-1 reverse transcriptase mutations in patients receiving multiple nucleoside analog inhibitors. 952 Colonno, RJ 15122516 Identification of I50L as the signature atazanavir (ATV)-resistance mutation in treatment-naive HIV-1-infected patients receiving ATV-containing regimens. 953 Margot, NA 12045487 Genotypic and phenotypic analyses of HIV-1 in antiretroviral-experienced patients treated with tenofovir DF. 955 Perez-Alvarez, L 11579264 HIV-1 subtype G and BG recombinant viruses in Spanish natives: Evidence of characteristic mutations in reverse transcriptase and protease. 956 Caride, E 11724274 Genotypic and phenotypic evidence of different drug-resistance mutation patterns between B and non-B subtype isolates of human immunodeficiency virus type 1 found in Brazilian patients failing HAART. 960 Wu, TD 12663790 Mutation patterns and structural correlates in human immunodeficiency virus type 1 protease following different protease inhibitor treatments. 961 Dowling, WE 12218394 Forty-one near full-length HIV-1 sequences from Kenya reveal an epidemic of subtype A and A-containing recombinants. 962 Hoelscher, M 11504977 High proportion of unrelated HIV-1 intersubtype recombinants in the Mbeya region of southwest Tanzania. 964 Holguin, A 12004275 High prevalence of HIV-1 subtype G and natural polymorphisms at the protease gene among HIV-infected immigrants in Madrid. 965 Cuevas, MT 12172086 High HIV-1 genetic diversity in Cuba. 967 Dunne, AL 11504978 Comparison of genotyping and phenotyping methods for determining susceptibility of HIV-1 to antiretroviral drugs. 968 Ait-Khaled, M 12008787 Mutations in HIV-1 reverse transcriptase during therapy with abacavir, lamivudine, zidovudine in HIV-1 infected adults with no prior antiretroviral therapy. 969 Ariyoshi, K 12843744 Patterns of point mutations associated with antiretroviral drug treatment failure in CRF01_AE (subtype E) infection differ from subtype B infection. 975 Romano, L 12154345 Treatment with lopinavir/ritonavir in heavily pretreated subjects failing multiple antiretroviral regimens in clinical practice. 979 Rodrigues, R 15780815 Prevalence of ARV resistance mutations and impact of genotyping test in HIV patients with advance disease in Sao Paulo, Brazil. 980 Eshleman, SH 11509999 Impact of human immunodeficiency virus type 1 (hiv-1) subtype on women receiving single-dose nevirapine prophylaxis to prevent hiv-1 vertical transmission (HIV network for prevention trials 012 study). 981 Cho, YK 11923351 Frequency of mutations conferring resistance to nucleoside reverse transcriptase inhibitors in human immunodeficiency virus type 1-infected patients in Korea. 982 Eshleman, SH 11372025 Analysis of human immunodeficiency virus type 1 drug resistance in children receiving nucleoside analogue reverse-transcriptase inhibitors plus nevirapine, nelfinavir, or ritonavir (Pediatric AIDS Clinical Trials Group 377). 983 Naugler, WE 11865396 T69D/N pol mutation, human immunodeficiency virus type 1 RNA levels, and syncytium-inducing phenotype are associated with CD4 cell depletion during didanosine therapy. 984 Novitsky, V 11991972 Human immunodeficiency virus type 1 subtype C molecular phylogeny: consensus sequence for an AIDS vaccine design? 985 Papathanasopoulos, MA 12201911 Full-length genome analysis of HIV-1 subtype C utilizing CXCR4 and intersubtype recombinants isolated in South Africa. 986 Yang, R 12131217 On-going generation of multiple forms of HIV-1 intersubtype recombinants in the Yunnan Province of China. 988 Holguin, A 12015907 HIV-1 subtype J recombinant viruses in Spain. 989 Duque, V Prevalence of drug resistance and HIV-1 subtypes in antiretroviral inexperienced patients, during the year 2000 in Portugal. 990 Handema, R 12643279 Prevalence of drug-resistance-associated mutations in antiretroviral drug-naive Zambians infected with subtype C HIV-1. 992 Weber, J 15839752 Impact of HIV-1 subtype and antiretroviral therapy on protease and reverse transcriptase genotype: Results of a global collaboration. 993 Tscherning-Casper, C 10957728 Evidence of the existence of a new circulating recombinant form of HIV type 1 subtype A/J in Cameroon. The European network on the study of in utero transmission of HIV-1. 995 Pillay, C 12036490 HIV-1 subtype C reverse transcriptase sequences from drug-naive pregnant women in South Africa. 996 Gordon, M 12551997 Molecular characteristics of human immunodeficiency virus type 1 subtype C viruses from KwaZulu-Natal, South Africa: implications for vaccine and antiretroviral control strategies. 997 Kantor, R 12512512 HIV-1 subtype C reverse transcriptase and protease genotypes in Zimbabwean patients failing antiretroviral therapy. 999 Lee EJ 16136470 Breast-milk shedding of drug-resistant HIV-1 subtype C in women exposed to single-dose nevirapine. 1003 Yang, C 10933623 Phylogenetic analysis of protease and transmembrane region of HIV type 1 group O. 1004 Baldrich-Rubio, E 11297684 A complex human immunodeficiency virus type 1 A/G/J recombinant virus isolated from a seronegative patient with AIDS from Benin, West Africa. 1006 Carr, JK 11448170 The AG recombinant IbNG and novel strains of group M HIV-1 are common in Cameroon. 1007 Carr, JK 11600844 Diverse BF recombinants have spread widely since the introduction of HIV-1 into South America. 1008 Luk, KC 11709100 Naturally occurring sequence polymorphisms within HIV type 1 group O protease. 1009 Kane, CT 11522190 Full-length genome sequencing of HIV type 1 group O viruses isolated from a heterosexual transmission cluster in Senegal. 1013 Vidal, N 11153090 Identification of a complex env subtype E HIV type 1 virus from the Democratic Republic of Congo, recombinant with A, G, H, J, K, and unknown subtypes. 1015 Op de Coul, E 10792985 Independent introduction of transmissible F/D recombinant HIV-1 from Africa into Belgium and the Netherlands. 1018 Gao, F 11522191 Molecular characterization of a highly divergent HIV type 1 isolate obtained early in the AIDS epidemic from the Democratic Republic of Congo. 1019 Mokili, JL 12167273 Identification of a novel clade of human immunodeficiency virus type 1 in Democratic Republic of Congo. 1022 Rodes, B 12409418 Rapid assessment of phenotypic resistance to protease inhibitors in human immunodeficiency virus type 1 group O. 1023 Maxeiner, HG 11930317 Selection of zidovudine resistance mutations and escape of human immunodeficiency virus type 1 from antiretroviral pressure in stavudine-treated pediatric patients. 1024 Roge, BT 12741630 K65R with and without S68: A new resistance profile in vivo detected in most patients failing abacavir, didanosine and stavudine. 1025 Baxter, JD 10894268 A randomized study of antiretroviral management based on plasma genotypic antiretroviral resistance testing in patients failing therapy. CPCRA 046 study team for the Terry Beirn community programs for clinical research on AIDS. 1027 Gonzales, MJ 14601580 Protease and reverse transcriptase mutation patterns in HIV-1 isolates from heavily treated persons: Comparison of isolates from northern California with isolates from other regions. 1030 Brindeiro, PA 12454144 Testing genotypic and phenotypic resistance in human immunodeficiency virus type 1 isolates of clade B and other clades from children failing antiretroviral therapy. 1033 Dumans, AT 12183276 Prevalence of protease and reverse transcriptase drug resistance mutations over time in drug-naive human immunodeficiency virus type 1-positive individuals in Rio de Janeiro, Brazil. 1034 Soares, MA 12478065 A specific subtype C of human immunodeficiency virus type 1 circulates in Brazil. 1035 Mo, H 17101675 Identification and structural characterization of I84C and I84A mutations that are associated with high-level resistance to HIV protease inhibitors and impair viral replication. 1045 Vidal, N 12794561 High genetic diversity of HIV-1 strains in Chad, West Central Africa. 1058 Masquelier, B 11353634 Genotypic and phenotypic resistance patterns of human immunodeficiency virus type 1 variants with insertions or deletions in the reverse transcriptase (RT): multicenter study of patients treated with RT inhibitors. 1059 Njouom, R 12757914 Assessment of HIV-1 subtyping for Cameroom strains using phylogenetic analysis of pol gene sequences. 1060 Megede, JZ 12487821 Novel evolutionary analyses of full-length HIV type 1 subtype C molecular clones from Cape Town, South Africa. 1061 Sutthent, R 12126721 Effect of perinatal short-course zidovudine on the clinical and virological manifestations of HIV-1 subtype E infection in infants. 1062 Kagan, RM 15937277 Structural analysis of an HIV-1 protease I47A mutant resistant to the protease inhibitor lopinavir. 1070 Saah, AJ 12660932 Treatment with indinavir, efavirenz, and adefovir after failure of nelfinavir therapy. 1071 Hierholzer, J 12487805 Molecular epidemiology of HIV type 1 in Ecuador, Peru, Bolivia, Uruguay, and Argentina. 1072 Masquelier, B 12404170 Mechanisms of early virologic failure in antiretroviral-naive patients starting protease inhibitor-containing regimens: The APROVIR study. 1073 Huang, DD 12816082 Sequence characterization of the protease and partial reverse transcriptase proteins of the NED panel, an international HIV type 1 subtype reference and standards panel. 1074 Willliamson, C 12639249 Characterization and selection of HIV-1 subtype C isolates for use in vaccine development. 1076 Barditch-Crovo, P 11557462 Phase I/II trial of the pharmacokinetics, safety, and antiretroviral activity of tenofovir disoproxil fumarate in human immunodeficiency virus-infected adults. 1082 Lan, NT 14601592 HIV type 1 isolates from 200 untreated individuals in Ho Chi Minh city(Vietnam): ANRS 1257 study. Large predominance of CRF01_AE and presence of major resistance mutations to antiretroviral drugs. 1083 Hanna, G 14513418 Drug-selected resistance mutations and non-B subtypes in antiretroviral-naive adults with established human immunodeficiency virus infection. 1084 Brindeiro, RM 12700457 Brazilian network for HIV drug resistance surveillance (HIV-BResNet): A survey of chronically infected individuals. 1085 Toni, TD 14506786 Presence of key drug resistance mutations in isolates from untreated patients of Abidjan, Cote d'Ivoire: ANRS 1257 study. 1091 Vidal, C 12553483 Genotypic and phenotypic resistance patterns in early-stage HIV-1-infected patients failing initial therapy with stavudine, didanosine and nevirapine. 1092 Monno, L 12869832 HIV-1 phenotypic susceptibility to lopinavir(LPV) and genotypic analysis in LPV/r-naive subjects with prior protease inhibitor experience. 1093 Monno, L 12629636 Mutational patterns of paired blood and rectal biopsies in HIV-infected patients on HAART. 1095 Park, SW 14686324 Genotypic resistance of antiretroviral drugs among drug-naive HIV type 1 patients with the background of long-term access-easy zidovudine therapy. 1096 Venturi, G 12553478 Divergent distribution of HIV-1 drug-resistant variants on and off antiretroviral therapy. 1098 Zhong, P 14717120 Genetic and biological properties of HIV type 1 isolates prevalent in villagers of the Cameroon equatorial rain forests and grass fields: Further evidence of broad HIV type 1 genetic diversity. 1100 Konings, FAJ 15008125 Protease mutations in HIV-1 non-B strains infecting drug-naive villagers of Cameroon. 1101 Jorgensen, LB 14723353 Prevalence of drug resistance mutations and non-B subtypes in newly diagnosed HIV-1 patients in Denmark. 1108 Deshpande, A 15585093 Molecular characterization of HIV type 1 isolates from untreated patients of Mumbai (Bombay), India, and detection of rare resistance mutations. 1110 Tural, C 11807305 Clinical utility of HIV-1 genotyping and expert advice: the Havana trial. 1111 Servais, J 15117451 HIV type 1 pol gene diversity and archived nevirapine resistance mutation in pregnant women in Rwanda. 1113 Vaughan, HE 14601595 Characterization of HIV type 1 clades in the Caribbean using pol gene sequences. 1116 Eshleman, SH 14722443 Characterization of nevirapine resistance mutations in women with subtype A vs. D HIV-1 6-8 weeks after single-dose nevirapine. 1117 Perno, CF 11808755 Impact of mutations conferring reduced susceptibility to lamivudine(3TC) on the response to antiretroviral therapy. 1118 Maljkovic, I 14678606 Limited transmission of drug-resistant HIV type 1 in 100 Swedish newly detected and drug-naive patients infected with subtypes A, B, C, D, G, U, and CRF01_AE. 1121 Yang, C 15186532 Genetic diversity and high proportion of intersubtype recombinants among HIV type 1-infected pregnant women in Kisumu, western Kenya. 1122 Tovanabutra, S 15186520 The changing molecular epidemiology of HIV type 1 among northern Thai drug users, 1999 to 2002. 1123 Kuritzkes, DR 15097303 Rate of thymidine analogue resistance mutation accumulation with zidovudine- or stavudine-based regimens. 1124 Parreira, R 15362671 Natural polymorphism of HIV-1 subtype G protease and cleavage sites. 1125 Montes, B 15097148 Comparison of drug resistance mutations and their interpretation in patients infected with non-B HIV-1 variants and matched patients infected with HIV-1 subtype B. 1127 Grossman, Z 15155216 Mutation D30N is not preferentially selected by human immunodeficiency virus type 1 subtype C in the development of resistance to nelfinavir. 1128 Apetrei, C 14714572 HIV type 1 diversity in northeastern Romania in 2000-2001 based on phylogenetic analysis of pol sequences from patients failing antiretroviral therapy. 1129 Gonzales, MJ 14615657 Colinearity of reverse transcriptase inhibitor resistance mutations detected by population-based sequencing. 1130 Mueller, SM Susceptibility to saquinavir and atazanavir in highly protease inhibitor(PI) resistant HIV-1 is caused by lopinavir-induced drug resistance mutation L76V. 1132 Vergne, L 14565607 Low rate of genotypic HIV-1 drug-resistant strains in the Senegalese government initiative of access to antiretroviral therapy. 1134 Delgado, J Genotypic (and phenotypic) predictors of a response to DDI monotherapy in ZDV-experienced patients. 1137 Eshleman, SH 15242535 Comparison of nevirapine (NVP) resistance in Ugandan women 7 days vs. 6-8 weeks after single-dose nvp prophylaxis: HIVNET 012. 1138 Konings, FAJ 15242545 V118I substitution in the reverse transcriptase gene of HIV type 1 CRF02_AG strains infecting drug-naive individuals in Cameroon. 1142 Fang, G 15272396 Long-term survivors in Nairobi: Complete HIV-1 RNA sequences and immunogenetic associations. 1143 Hierholzer, M 12402957 HIV type 1 strains from east and west Africa are intermixed in Sudan. 1144 Eshleman, SH 15184457 Performance of the Celera Diagnostics ViroSeq HIV-1 genotyping system for sequence-based analysis of diverse human immunodeficiency virus type 1 strains. 1145 Kaye, S 12008783 Observations of HIV-1 genotypic drug resistance in a trial of four reverse transcriptase inhibitors (Quattro Trial). 1146 Eshleman, SH 12439209 Survival of Ugandan infants with subtype A and D HIV-1 infection (HIVNET 012). 1147 Yamaguchi, J 14678605 Near full-length genomes of 15 HIV type 1 group O isolates. 1148 Murphy, MD 15072756 HIV protease mutations associated with amprenavir resistance during salvage therapy: Importance of I54M. 1151 Friend, J 15353986 Isolated lopinavir resistance after virological rebound of a ritonavir/lopinavir-based regimen. 1153 Rhee, SY 15273130 Distribution of human immunodeficiency virus type 1 protease and reverse transcriptase mutation patterns in 4,183 persons undergoing genotypic resistance testing. 1154 Shang, H 17411368 Genotypic resistance mutation to antiretroviral drugs in treatment-naive HIV/AIDS patients in the northeast of China. 1155 Holguin, A 15465415 Impact of frequent natural polymorphisms at the protease gene on the in vitro susceptibility to protease inhibitors in HIV-1 non-B subtypes. 1156 Cinque, P 11282006 Effect of genotypic resistance on the virological response to highly active antiretroviral therapy in cerebrospinal fluid. 1157 Machado, ES 15558153 Overview of genotypic and clinical profiles of human immunodeficiency virus type 1-infected children in Rio de Janeiro, Brazil. 1158 Clevenbergh, P 12553486 Long-term virological outcome in patients infected with multi-nucleoside analogue-resistant HIV-1. 1159 Bodelle, P 15320995 Identification and genomic sequence of an HIV type 1 group N isolate from Cameroon. 1160 de Sa Filho, DJ 12957189 Analysis of the protease sequences of HIV-1 infected individuals after indinavir monotherapy. 1161 Roudinskii, NI 15452247 Diversity of human immunodeficiency virus type 1 subtype A and CRF03_AB protease in eastern Europe: Selection of the V77I variant and its rapid spread in injecting drug user populations. 1162 McCutchan, FE 15320986 HIV type 1 circulating recombinant form CRF09_cpx from west Africa combines subtypes A, F, G, and may share ancestors with CRF02_AG and Z321. 1163 Soares, EA 14657764 Epidemiologic and molecular characterization of human immunodeficiency virus type 1 in southern Brazil. 1164 Machado, ES 15072750 Genotypic resistance and HIV-1 subtype in Brazilian children on dual and triple combination therapy. 1166 Winters, MA 11044115 Genotypic, phenotypic, and modeling studies of a deletion in the beta3-beta4 region of the human immunodeficiency virus type 1 reverse transcriptase gene that is associated with resistance to nucleoside reverse transcriptase inhibitors. 1167 Rhee, SY 15995959 HIV-1 protease and reverse transcriptase mutations: Correlations with antiretroviral therapy in subtype B isolates and implications for drug-resistance surveillance. 1170 Bouchard, M 17411383 HIV type 1 drug resistance among naive patients from Venezuela. 1171 Albrecht, MA 11496850 Nelfinavir, efavirenz, or both after the failure of nucleoside treatment of HIV infection.AIDS Clinical Trials Group 364 Study Team. 1172 Dumans, AT 15031792 Synonymous genetic polymorphisms within Brazilian human immunodeficiency virus Type 1 subtypes may influence mutational routes to drug resistance. 1173 Thomson, MM 15585105 Analysis of near full-length genome sequences of HIV type 1 BF intersubtype recombinant viruses from Brazil reveals their independent origins and their lack of relationship to CRF12_BF. 1174 Hammer, SM 9287227 A controlled trial of two nucleoside analogues plus indinavir in persons with human immunodeficiency virus infection and CD4 cell counts of 200 per cubic millimeter or less. AIDS Clinical Trials Group 320 Study Team. 1178 Bessong, PO 15665650 Characterization of human immunodeficiency virus type 1 from a previously unexplored region of South Africa with a high HIV prevalence. 1179 Kinomoto, M 15983923 HIV-1 proteases from drug-naive West African patients are differentially less susceptible to protease inhibitors. 1180 Eshleman, SH 15665648 Limited evolution in the HIV type 1 pol region among acute seroconverters in Pune, India. 1181 Non-B Workgroup 15839752 Impact of HIV-1 subtype and antiretroviral therapy on protease and reverse transcriptase genotype: Results of a global collaboration. 1182 Snoeck, J 15076243 Rising prevalence of HIV-1 non-B subtypes in Belgium: 1983-2001. 1183 Podzamczer, D 15751775 Early virological failure with a combination of tenofovir, didanosine and efavirenz. 1184 Bussmann, H 15889533 HIV-1 subtype C drug-resistance background among ARV-naive adults in Botswana. 1185 Johnston, E 12805470 High frequency of syncytium-inducing and CXCR4-tropic viruses among human immunodeficiency virus type 1 subtype C-infected patients receiving antiretroviral treatment. 1195 Rey, D 17057610 Virologic response of zidovudine, lamivudine, and tenofovir disoproxil fumarate combination in antiretroviral-naive HIV-1-infected patients. 1197 Weber, J 15750116 Diminished replicative fitness of primary human immunodeficiency virus type 1 isolates harboring the K65R mutation. 1202 Coakley, E Atazanavir resistance in a protease inhibitor-naive patient treated with atazanavir/ritonavir associated with development of high-level atazanavir resistance and the N88S mutation in protease. 1209 Tee, KK 15668536 Emergence of HIV-1 CRF01_AE/B unique recombinant forms in Kuala Lumpur, Malaysia. 1210 Mo, H 15731227 Selection of resistance in protease inhibitor-experienced, human immunodeficiency virus type 1-infected subjects failing lopinavir- and ritonavir-based therapy: mutation patterns and baseline correlates. 1211 Balakrishnan, P 15943572 HIV type 1 genotypic variation in an antiretroviral treatment-naive population in southern India. 1213 Yerly, S 11443566 Nosocomial outbreak of multiple bloodborne viral infections. 1214 Carr, JK 16044009 Outbreak of west African recombinant of HIV-1 in Tashkent, Uzbekistan. 1215 Carr, JK HIV subtype and drug resistance patterns among drug-naive infected persons in Jos, Nigeria. 1216 Qiu, Z 16379609 Characterization of five nearly full-length genomes of early HIV type 1 strains in Ruili city: Implications for the genesis of CRF07_BC and CRF08_BC circulating in China. 1217 Tovanabutra, S 15929707 Characterization of complete HIV type 1 genomes from non-B subtype infections in U.S. military personnel. 1218 Eshleman, SH 15942891 Nevirapine (NVP) resistance in women with HIV-1 subtype C, compared with subtypes A and D, after the administration of single-dose NVP. 1226 Paraskevis, D 16022906 Prevalence of resistance-associated mutations in newly diagnosed HIV-1 patients in Greece. 1229 Rodes, B 16060830 Treatment response and drug resistance in patients infected with HIV type 1 group O viruses. 1230 Sandstrom, P Sequences from untreated patients circa 1984. 1232 Petch, LA 16218804 Genotypic analysis of the protease and reverse transcriptase of HIV type 1 subtype C isolates from antiretroviral drug-naive adults in Malawi. 1234 Brown, BK 15857994 Biologic and genetic characterization of a panel of 60 human immunodeficiency virus type 1 isolates, representing clades A, B, C, D, CRF01_AE, and CRF02_AG, for the development and assessment of candidate vaccines. 1235 Pandrea, I 12396449 Analysis of partial pol and env sequences indicates a high prevalence of HIV type 1 recombinant strains circulating in Gabon. 1236 Gonzalez Perez, MP Epidemiological and molecular characteristics of HIV and HTLV infection in Equatorial Guinea, 1996-1998. 1237 K'Aluoch, OF Characterization of HIV-1 subtypes and recombinants in a Uganda cohort by use of the gag, nef and pol genes. 1238 Ly, N 16386116 Characterization of mutations in HIV type 1 isolates from 144 Cambodian recently infected patients and pregnant women naive to antiretroviral drugs. 1239 Saad, MD 16060835 HIV type 1 strains common in Europe, Africa, and Asia co-circulate in Yemen. 1240 Babic, DZ 16417938 Prevalence of antiretroviral drug resistance mutations and HIV-1 non-B subtypes in newly diagnosed drug-naive patients in Slovenia, 2000-2004. 1241 Murphy, RL 10068575 Treatment with amprenavir alone or amprenavir with zidovudine and lamivudine in adults with human immunodeficiency virus infection. AIDS Clinical Trials Group 347 Study Team. 1242 Garcia-Bujalance, S 16081972 Comparison between sequence analysis and a line probe assay for testing genotypic resistance of human immunodeficiency virus type 1 to antiretroviral drugs. 1243 Delaunay, C 16014919 Comparative selection of the K65R and M184V/I mutations in human immunodeficiency virus type 1-infected patients enrolled in a trial of first-line triple-nucleoside analog therapy (Tonus IMEA 021). 1248 Rodrigues, R 16332398 Low prevalence of primary antiretroviral resistance mutations and predominance of HIV-1 clade C at polymerase gene in newly diagnosed individuals from south Brazil. 1249 Gibb, DM 12553485 Evolution of antiretroviral phenotypic and genotypic drug resistance in antiretroviral-naive HIV-1-infected children treated with abacavir/lamivudine, zidovudine/lamivudine or abacavir/zidovudine, with or without nelfinavir (the PENTA 5 trial). 1250 Gallant, JE 16267763 Early virologic non-response to tenofovir, abacavir, and lamivudine in HIV-infected antiretroviral naive subjects. 1251 Vidal, N 16478404 HIV type 1 pol gene diversity and antiretroviral drug resistance mutations in the Democratic Republic of Congo (DRC). 1265 Ross, LL 16514317 A rare HIV reverse transcriptase mutation, K65N, confers reduced susceptibility to tenofovir, lamivudine and didanosine. 1268 Petroni, A 16773027 Update on primary HIV-1 resistance in Argentina: Emergence of mutations conferring high-level resistance to nonnucleoside reverse transcriptase inhibitors in drug-naive patients. 1269 Ojesina, AI 16910833 Subtype-specific patterns in HIV type 1 reverse transcriptase and protease in Oyo State, Nigeria: Implications for drug resistance and host response. 1271 Razafindratsimandresy, R 16796535 High HIV type 1 subtype diversity and few drug resistance mutations among seropositive people detected during the 2005 second generation HIV surveillance in Madagascar. 1272 Saad, MD 16910825 Molecular epidemiology of HIV type 1 in Ukraine: birthplace of an epidemic. 1273 Vessiere, A 16639353 HIV-1 pol gene polymorphism and antiretroviral resistance mutations in drug-naive pregnant women in Yaounde, Cameroon. 1274 Zarandia, M 16706626 HIV-1 genetic diversity and genotypic drug susceptibility in the Republic of Georgia. 1276 Koizumi, Y 16885781 Emergence of antiretroviral therapy resistance-associated primary mutations among drug-naive HIV-1-infected individuals in rural western Cameroon. 1277 Saad, MD 16910836 Genetic forms of HIV type 1 in the former Soviet Union dominate the epidemic in Azerbaijan. 1278 Vergne, L 16563858 Natural polymorphism in protease and reverse transcriptase genes and in vitro antiretroviral drug susceptibilities of non-B HIV-1 strains from treatment-naive patients. 1280 Rousseau, CM 16701907 Large-scale amplification, cloning and sequencing of near full-length HIV-1 subtype C genomes. 1281 Katzenstein, DA 11177402 Virologic and CD4 cell response to zidovudine or zidovudine and lamivudine following didanosine treatment of human immunodeficiency virus infection. 1282 Katzenstein, DA 10933617 Virologic and CD4+ cell responses to new nucleoside regimens: switching to stavudine or adding lamivudine after prolonged zidovudine treatment of human immunodeficiency virus infection. ACTG 302 Study Team. AIDS Clinical Trials Group. 1284 Albrecht, M 11018853 Effect of lamivudine in HIV-infected persons with prior exposure to zidovudine/didanosine or zidovudine/zalcitabine. 1285 Rhee, SY 17065321 Genotypic predictors of human immunodeficiency virus type 1 drug resistance. 1286 Ravuri, SK Primary drug resistance studies by genotypic analysis in HIV-1 Indian subtype C-infected individuals. 1287 Tsuiji, K V118 mutations in the transcriptase gene of HIV-1 from drug-naive hemophiliac patients in Japan. 1290 Hsu, LY 15608517 Characterization of mutations in CRF01_AE virus isolates from antiretroviral treatment naive and experienced patients in Singapore. 1291 Gittens, MV 12816080 The molecular epidemiology and drug resistance determination of HIV type 1 subtype B infection in Barbados. 1293 Ciccozzi, M 15995961 Molecular diversity of HIV in Albania. 1294 Valle-Bahena, OM 17045121 Frequency of protease and reverse transcriptase drug resistance mutations in naive HIV-infected patients. 1295 Bessong, PO 17209775 Resistance mutational analysis of HIV type 1 subtype C among rural South African drug-naive patients prior to large-scale availability of antiretrovirals. 1296 Marechal, V 17067275 Increasing HIV type 1 polymorphic diversity but no resistance to antiretroviral drugs in untreated patients from Central African Republic: a 2005 study. 1300 Pando, MA 16959032 First report of an HIV-1 triple recombinant of subtypes B, C and F in Buenos Aires, Argentina. 1302 Tovanabutra, S 12908933 A new circulating recombinant form, CRF15_01B, reinforces the linkage between IDU and heterosexual epidemics in Thailand. 1304 Watanaveeradej, V 16910837 Molecular epidemiology of HIV type 1 in preparation for a phase III prime-boost vaccine trial in Thailand and a new approach to HIV type 1 genotyping. 1305 Swanson, PA 12921095 Molecular characterization of 39 HIV-1 isolates representing group M (subtypes A-G) and group O: Sequence analysis of gag p24, pol integrase, and env gp41. 1309 Arroyo, MA 15320994 HIV type 1 subtypes among blood donors in the Mbeya region of southwest Tanzania. 1315 Visawapoka, U 16831094 Circulating and unique recombinant forms of HIV Type 1 containing subsubtype A2. 1316 Vinoles, J 15827294 Seroincidence and phylogeny of human immunodeficiency virus infections in a cohort of commercial sex workers in Montevideo, Uruguay. 1320 Sanabani, S 16522378 Analysis of the near full length genomes of HIV-1 subtypes B, F and BF recombinant from a cohort of 14 patients in Sao Paulo, Brazil. 1321 Arroyo, MA 16135906 HIV-1 diversity and prevalence differ between urban and rural areas in the Mbeya region of Tanzania. 1322 Ramos, A 13678469 New HIV type 1 CRF01_AE/B recombinants displaying unique distribution of breakpoints from incident infections among injecting drug users in Thailand. 1323 Masharsky, AE 14601597 Molecular cloning and analysis of full-length genome of HIV type 1 strains prevalent in countries of the former Soviet Union. 1324 Toni, T 16060839 Presence of CRF09_cpx and complex CRF02_AG/CRF09_cpx recombinant HIV type 1 strains in Cote d'Ivoire, West Africa. 1325 Thomson, MM 11752707 Diversity of mosaic structures and common ancestry of human immunodeficiency virus type 1 BF intersubtype recombinant viruses from Argentina revealed by analysis of near full-length genome sequences. 1326 Couto-Fernandez, JC 16478405 Phylogenetic analysis of Brazilian HIV type 1 subtype D strains: Tracing the origin of this subtype in Brazil. 1328 Carrion, G 15585091 Documentation of subtype C HIV Type 1 strains in Argentina, Paraguay, and Uruguay. 1330 Harris, ME 14709249 A cluster of HIV type 1 subtype C sequences from Ethiopia, observed in full genome analysis, is not sustained in subgenomic regions. 1335 Wilbe, K 14599796 Characterization of novel recombinant HIV-1 genomes using the branching index. 1336 Liu, L 16280709 Genetic characterization of full-length HIV type 1 genomes from 3 infected paid blood donors in Henan, China. 1338 Sierra, M 15737911 The analysis of near full-length genome sequences of human immunodeficiency virus type 1 BF intersubtype recombinant viruses from Chile, Venezuela and Spain reveals their relationship to diverse lineages of recombinant viruses related to CRF12_BF. 1341 Mamadou, S 12596728 Emergence of complex and diverse CRF02-AG/CRF06-cpx recombinant HIV type 1 strains in Niger, West Africa. 1342 Meloni, ST 15507630 Distinct human immunodeficiency virus type 1 subtype A virus circulating in West Africa: Sub-subtype A3. 1348 Reinke, R 11399954 Natural selection results in conservation of HIV-1 integrase activity despite sequence variability. 1349 Su, B 14600524 HIV-1 subtype B' dictates the AIDS epidemic among paid blood donors in the Henan and Hubei provinces of China. 1350 Thomson, M Full-length recombinant form CRF18_cpx; isolated in Cuba in 1999. 1353 Adojaan, M 16044014 Predominance of a rare type of HIV-1 in Estonia. 1357 Montavon, C 10866228 Most env and gag subtype A HIV-1 viruses circulating in West and West Central Africa are similar to the prototype AG recombinant virus IBNG. 1358 Viputtijul, K 12494923 Heterosexually acquired CRF01_AE/B recombinant HIV type 1 found in Thailand. 1360 Aulicino, PC 16225418 Sequence analysis of a south American HIV type 1 BC recombinant. 1362 Yamaguchi, J 16706623 HIV-1 group N: Evidence of ongoing transmission in Cameroon. 1365 Swanson, P 14506784 Full-length sequence analysis of HIV-1 isolate CM237: A CRF01_AE/B intersubtype recombinant from Thailand. 1368 Carr, JK High genetic complexity of HIV-1 in low-prevalence, rural regions of Cameroon. 1376 Carrion, G 12816083 Circulating recombinant form CRF02_AG in south America. 1381 McClutchan, FE 12402948 Precise mapping of recombination breakpoints suggests a common parent of two BC recombinant HIV type 1 strains circulating in China. 1382 Roques, P 15199313 Phylogenetic characteristics of three new HIV-1 N strains and implications for the origin of group N. 1383 Yamaguchi, J 16438650 Identification of HIV type 1 group N infections in a husband and wife in Cameroon: viral genome sequences provide evidence for horizontal transmission. 1386 Tatsumi, M Infectious DNA clones of subtype G and CRF02_AG HIV-1 derived from Ghananian isolates. 1389 Burns, CC 12396455 Sequence variability of the integrase protein from a diverse collection of HIV type 1 isolates representing several subtypes. 1390 Skinner, LM 9768617 Analysis of a large collection of natural HIV-1 integrase sequences, including those from long-term nonprogressors. 1393 Sanabani, S 16478399 Full-length genome analysis of human immunodeficiency virus type 1 subtype C in Brazil. 1398 de Sa Filho, DJ 15725753 Analysis of full-length human immunodeficiency virus type 1 genome reveals a variable spectrum of subtypes B and f recombinants in Sao Paulo, Brazil. 1407 Galkin, AN Sequencing and analysis of full-length HIV-1 CRF06_cpx isolate from Russia. 1411 Bernardin, F 16103205 Human immunodeficiency virus mutations during the first month of infection are preferentially found in known cytotoxic T-lymphocyte epitopes. 1415 Neilson, JR 10196337 Subtypes of human immunodeficiency virus type 1 and disease stage among women in Nairobi, Kenya. 1417 Harris, B 16060837 Genomic characterization of a novel HIV type 1 B/G intersubtype recombinant strain from an injecting drug user in Germany. 1424 Koulinska, IN 12230937 Common genetic arrangements among human immunodeficiency virus type 1 subtype A and D recombinant genomes vertically transmitted in Tanzania. 1425 Huang, HL 17042975 Genetic characterization of three CRF01_AE full-length HIV type 1 sequences from Fujian province, China. 1430 McLaughlin, S Sequence diversity of HIV-1 genomes from the HIV vaccine trials network. 1433 Papathanasopoulos, MA 14686322 Full-length genome characterization of HIV type 1 subtype C isolates from two slow-progressing perinatally infected siblings in South Africa. 1434 Rodriguez, MA 16289184 Construction and characterization of an infectious molecular clone of HIV-1 subtype A of Indian origin. 1440 Hunt, GM 12680693 Characterization of near-full length genome sequences of three south African human immunodeficiency virus type 1 subtype C isolates. 1447 Holzmayer, V 15929705 Near-full-length genomic sequence of a human immunodeficiency type 1 subtype g strain from Cameroon. 1448 Paraskevis, D 10875610 Molecular characterization of a recombinant HIV type 1 isolate (A/G/E/?): unidentified regions may be derived from parental subtype E sequences. 1451 Casado, G 14506788 Near full-length genome characterization of an HIV type 1 CRF05_DF virus from Spain. 1454 Tovanabutra, S 11399992 First CRF01_AE/B recombinant of HIV-1 is found in Thailand. 1456 Paraskevis, D 11562543 Molecular characterization of a complex, recombinant human immunodeficiency virus type 1 (HIV-1) isolate (A/G/J/K/?): evidence to support the existence of a novel HIV-1 subtype. 1457 Shi, B 15585089 Construction of an infectious HIV type 1 molecular clone from an African patient with a subtype D/C recombinant virus. 1459 Hai-Long, H 17451347 Genetic characterization of CRF01_AE full-length human immunodeficiency virus type 1 sequences from Fujian, China. 1465 van der Hoek, L 17411380 Characterization of an HIV-1 group M variant that is distinct from the known subtypes. 1466 Santos, AF 17053347 Characterization of a new circulating recombinant form comprising HIV-1 subtypes C and B in southern Brazil. 1469 Li, B 17065207 Rapid reversion of sequence polymorphisms dominates early human immunodeficiency virus type 1 evolution. 1475 Aulicino, PC 15725755 Circulation of novel HIV type 1 A, B/C, and F subtypes in Argentina. 1478 Galkin, AN 17147510 Full-length genomic sequencing and analysis of four HIV type 1 subtype B isolates circulating in the territory of Russia. 1479 Laurent, C 16707062 Antiretroviral drug resistance and routine therapy, Cameroon. 1480 Tee, KK 16404607 Prevalence and pattern of drug resistance mutations among antiretroviral-treated HIV-1 patients with suboptimal virological response in Malaysia. 1482 Vidal, N 17263648 HIV type 1 diversity and antiretroviral drug resistance mutations in Burundi. 1483 Sung, H 11709099 Phylogenetic analysis of reverse transcriptase in antiretroviral drug-naive Korean HIV type 1 patients. 1485 Baxter, JD 16928764 Genotypic changes in human immunodeficiency virus type 1 protease associated with reduced susceptibility and virologic response to the protease inhibitor tipranavir. 1490 Ndongmo, CB 16910839 HIV genetic diversity in Cameroon: possible public health importance. 1491 Torti, C 16038476 Early virological failure after tenofovir + didanosine + efavirenz combination in HIV-positive patients upon starting antiretroviral therapy. 1492 Doualla-Bell, F 16723586 Impact of human immunodeficiency virus type 1 subtype C on drug resistance mutations in patients from Botswana failing a nelfinavir-containing regimen. 1493 Lama, JR 16773026 Linking HIV and antiretroviral drug resistance surveillance in Peru: A model for a third-generation HIV sentinel surveillance. 1494 Doualla-Bell, F 17015626 High prevalence of the K65R mutation in human immunodeficiency virus type 1 subtype C isolates from infected patients in Botswana treated with didanosine-based regimens. 1495 Ochoa de Echaguen, A 16103769 Genotypic and phenotypic resistance patterns at virological failure in a simplification trial with nevirapine, efavirenz or abacavir. 1496 Kassu, A 17451346 Molecular epidemiology of HIV-1 in treatment-naive patients in North Ethiopia. 1500 Seoighe, C 17272680 A model of directional selection applied to the evolution of drug resistance in HIV-1. 1501 Tee, KK 16379608 The evolving molecular epidemiology of HIV type 1 among injecting drug users (IDUs) in Malaysia. 1502 Derache, A 17503757 Genetic diversity and drug resistance mutations in HIV type 1 from untreated patients in Bamako, Mali. 1503 Vidal, N 16478401 Identification and molecular characterization of subsubtype A4 in Central Africa. 1504 Kurle, SN 17530993 Emergence of NNRTI drug resistance mutations after single-dose nevirapine exposure in hiv type 1 subtype C infected infants in India. 1505 Rios, M 17457921 Antiretroviral drug resistance and phylogenetic diversity of HIV-1 in Chile. 1506 Han, X 17411368 Genotypic resistance mutations to antiretroviral drugs in treatment-naive HIV/AIDS patients living in Liaoning Province, China: Baseline prevalence and subtype-specific difference. 1507 Badreddine, S 17530991 Identification and characterization of HIV type 1 subtypes present in the Kingdom of Saudi Arabia: High level of genetic diversity found. 1508 Lwembe, R 17516531 Anti-retroviral drug resistance-associated mutations among non-subtype B HIV-1-infected Kenyan children with treatment failure. 1510 Vicenti, I 17516412 Use of peripheral blood DNA for genotype antiretroviral resistance testing in drug-naive HIV-infected subjects. 1511 Holguin, A 12815558 HIV-positive immigrants in the Canary Islands, Spain: Implications for public health in Europe. 1512 Holguin, A 15648070 Heterogeneous nature of HIV-1 recombinants spreading in Spain. 1513 Malan DR 20071596 96-week efficacy and safety of atazanavir, with and without ritonavir, in a HAART regimen in treatment-naive patients. 1514 Zolopa, A Resistance profile after viral rebound on atazanavir-containing therapy: focus on protease inhibitor naive subjects in the IMPACT study (BMS AI424-128). 1515 Seyler, C 17502726 Impact of genotypic drug resistance mutations on clinical and immunological outcomes in HIV-infected adults on HAART in West Africa. 1523 Lataillade, M 17668566 Natural polymorphism of the HIV-1 integrase gene and mutations associated with integrase inhibitor resistance. 1526 Warachit, J 17336569 Aberrant life cycle of human immunodeficiency virus type 1 CRF15_01B-like clinical isolates from Thailand in human CD4+ T-cell lines. 1530 Montavon, C 11981370 CRF06-cpx: A new circulating recombinant form of HIV-1 in West Africa involving subtypes A, G, K, and J. 1537 Novitsky, V 17678469 The reverse transcriptase 67N 70R 215Y genotype is the predominant TAM pathway associated with virologic failure among HIV type 1C-infected adults treated with ZDV/ddI-containing HAART in southern Africa. 1540 Sagoe, KW 17827059 Variability of the human immunodeficiency virus type 1 polymerase gene from treatment naive patients in Accra, Ghana. 1541 Liao, L 17725425 Genotypic analysis of the protease and reverse transcriptase of HIV type 1 isolates from recently infected injecting drug users in western China. 1542 Bradshaw, D 17876005 Characterization of a novel drug-resistance pattern associated with the mutations K70G and M184V in HIV-1 reverse transcriptase. 1546 Eyzaguirre, LM 17514018 Genetic characterization of HIV-1 strains circulating in Kazakhstan. 1548 Luk, KC 17331036 Near full-length genome characterization of three additional HIV type 1 CRF13_cpx strains from Cameroon. 1549 Powell, RL 17725418 Identification of a novel circulating recombinant form (CRF) 36_cpx in Cameroon that combines two CRFs (01_AE and 02_AG) with ancestral lineages of subtypes A and G. 1550 Powell, RL 17678477 Circulating recombinant form (CRF) 37_cpx: an old strain in Cameroon composed of diverse, genetically distant lineages of subtypes A and G. 1551 Sanders-Buell, E 17604548 A nascent HIV type 1 epidemic among injecting drug users in Kabul, Afghanistan is dominated by complex AD recombinant strain, CRF35_AD. 1553 Watanaveeradej, V 14502024 Subtype C/CRF01_AE recombinant HIV-1 found in Thailand. 1555 Yamaguchi, J 11860674 Evaluation of HIV type 1 group O isolates: Identification of five phylogenetic clusters. 1556 Lin, YT 17396997 Molecular epidemiology of HIV-1 infection and full-length genomic analysis of circulating recombinant form 07_BC strains from injection drug users in Taiwan. 1558 Yamaguchi, J 15585082 HIV infections in northwestern Cameroon: identification of HIV type 1 group O and dual HIV type 1 group M and group O infections. 1560 Tee, KK 17031320 Identification of a novel circulating recombinant form (CRF33_01B) disseminating widely among various risk populations in Kuala Lumpur, Malaysia. 1561 Njai, HF 16817969 The predominance of human immunodeficiency virus type 1 (HIV-1) circulating recombinant form 02 (CRF02_AG) in West Central Africa may be related to its replicative fitness. 1563 Yang, R 12477871 Identification and characterization of a new class of human immunodeficiency virus type 1 recombinants comprised of two circulating recombinant forms, CRF07_BC and CRF08_BC, in China. 1564 Kijak, GH 15186527 Development and application of a high-throughput HIV type 1 genotyping assay to identify CRF02_AG in West/West Central Africa. 1565 Casado, G 16284528 Identification of a novel HIV-1 circulating ADG intersubtype recombinant form (CRF19_cpx) in Cuba. 1566 de Sa Filho, DJ 16438639 Identification of two HIV type 1 circulating recombinant forms in Brazil. 1568 Tovanabutra, S 17604547 Identification of CRF34_01B, a second circulating recombinant form unrelated to and more complex than CRF15_01B, among injecting drug users in northern Thailand. 1570 Soundararajan, L 17919107 Characterization of HIV-1 isolates from antiretroviral drug-naive children in southern India. 1572 Wilbe, K 12201907 Identification of two CRF11-cpx genomes and two preliminary representatives of a new circulating recombinant form (CRF13-cpx) of HIV type 1 in Cameroon. 1573 Shafer, RW 14668456 Comparison of four-drug regimens and pairs of sequential three-drug regimens as initial therapy for HIV-1 infection. 1576 Razafindratsimandresy, R 17604537 HIV type 1 diversity in the Seychelles. 1580 Zhong, P 17678466 Genetic diversity and drug resistance of human immunodeficiency virus type 1 (HIV-1) strains circulating in Shanghai. 1581 Eshleman, SH 16545016 Phenotypic drug resistance patterns in subtype A HIV-1 clones with nonnucleoside reverse transcriptase resistance mutations. 1584 Sen, S 17961120 High prevalence of human immunodeficiency virus type 1 drug resistance mutations in antiretroviral treatment-experienced patients from Pune, India. 1586 Ndembi, N 17855574 Molecular characterization of human immunodeficiency virus type 1 (HIV-1) and HIV-2 in Yaounde, Cameroon: Evidence of major drug resistance mutations in newly diagnosed patients infected with subtypes other than subtype B. 1588 Ojesina, AI 18160018 Characterization of HIV type 1 reverse transcriptase mutations in infants infected by mothers who received peripartum nevirapine prophylaxis in Jos, Nigeria. 1589 Martinson, NA 17117145 Selection and persistence of viral resistance in HIV-infected children after exposure to single-dose nevirapine. 1590 Ly, N 18160014 Reverse transcriptase mutations in Cambodian CRF01_AE isolates after antiretroviral prophylaxis against HIV Type 1 perinatal transmission. 1591 Lloyd, B 18366313 Prevalence of 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treatment affect integrase sensitivity to the inhibitor in vitro. 1603 Marconi, VC 18419495 Prevalence of HIV-1 drug resistance after failure of a first highly active antiretroviral therapy regimen in KwaZulu Natal, South Africa. 1607 Palma, AC 17360244 Molecular epidemiology and prevalence of drug resistance-associated mutations in newly diagnosed HIV-1 patients in Portugal. 1608 Punzi, G 16254966 HIV infection and protease genetic diversity in a rural area of the southern Central African Republic. 1609 Van Baelen, K Low level of baseline resistance to integrase inhibitors L731,988 and L810,810 in randomly selected subtype B and non-B HIV-1 strains. 1611 Church, JD 17604538 HIV type 1 variants with nevirapine resistance mutations are rarely detected in antiretroviral drug-naive African women with subtypes A, C, and D. 1612 Ibe, S 18275342 Trend of drug-resistant HIV type 1 emergence among therapy-naive patients in Nagoya, Japan: An 8-year surveillance from 1999 to 2006. 1613 Dilernia, DA 17961105 HIV type 1 genetic diversity surveillance among newly diagnosed individuals from 2003 to 2005 in Buenos Aires, Argentina. 1614 Brennan, CA 18184087 HIV-1 strains identified in Brazilian blood donors: Significant prevalence of B/F1 recombinants. 1615 Andresen, BS 18184088 Characterization of near full-length genomes of HIV type 1 strains in Denmark: Basis for a universal therapeutic vaccine. 1618 Brumme, ZL 17616974 Evidence of differential HLA class I-mediated viral evolution in functional and accessory/regulatory genes of HIV-1. 1621 Toni, TD 16379606 Characterization of nevirapine (NVP) resistance mutations and HIV type 1 subtype in women from Abidjan (Cote d'Ivoire) after NVP single-dose prophylaxis of HIV type 1 mother-to-child transmission. 1622 Delaugerre, C 15722030 Selection of a rare resistance profile in an HIV-1-infected patient exhibiting a failure to an antiretroviral regimen including tenofovir DF. 1623 McNulty, A 17166967 Evaluation of dried blood spots for human immunodeficiency virus type 1 drug resistance testing. 1627 Paraschiv, S 16762582 Polymorphisms and resistance mutations in the protease and reverse transcriptase genes of HIV-1 F subtype Romanian strains. 1628 Holguin, A 16225417 Differences in the length of gag proteins among different HIV type 1 subtypes. 1629 Holguin, A 18205216 Genetic characterization of complex inter-recombinant HIV-1 strains circulating in Spain and reliability of distinct rapid subtyping tools. 1630 Laeyendecker, O 15735457 Molecular epidemiology of HIV-1 subtypes in southern China. 1631 Land, AM 18544023 Full-length HIV type 1 proviral sequencing of 10 highly exposed women from Nairobi, Kenya reveals a high proportion of intersubtype recombinants. 1632 Ndembi, N 18544019 Transmitted antiretroviral drug resistance surveillance among newly HIV type 1-diagnosed women attending an antenatal clinic in Entebbe, Uganda. 1634 Liu, J 17619115 Polymorphisms and drug resistance analysis of HIV-1 CRF01_AE strains circulating in Fujian province, China. 1635 Liu, L Polymorphism and antiretroviral drug resistance patterns in the protease gene of HIV-1 subtypes infecting PI naive Chinese patients. 1636 Sylla, M 18389909 Characterization of drug resistance in antiretroviral-treated patients infected with HIV-1 CRF02_AG and AGK subtypes in Mali and Burkina Faso. 1637 Charpentier, C 18651855 Drug resistance profiles for the HIV integrase gene in patients failing raltegravir salvage therapy. 1640 Tebit, DM 16951652 Diversity of HIV in rural Burkina Faso . 1641 Somi, GR 18575194 Surveillance of transmitted HIV drug resistance among women attending antenatal clinics in Dar es Salaam, Tanzania. 1644 von Wyl, V 17846398 Emergence of HIV-1 drug resistance in previously untreated patients initiating combination antiretroviral treatment: a comparison of different regimen types. 1646 De Meyer, S 19474650 Characterization of virologic failure patients on darunavir/ritonavir in treatment-experienced patients. 1647 Lall, M 18593351 Profile of primary resistance in HIV-1-infected treatment-naive individuals from western India. 1648 Caron, M 18788914 Human immunodeficiency virus type 1 seroprevalence and antiretroviral drug resistance-associated mutations in miners in Gabon, central Africa. 1650 Buzon, MJ 19043922 Raltegravir susceptibility and fitness progression of HIV type-1 integrase in patients on long-term antiretroviral therapy. 1651 Pillay, V 19000027 HIV type 1 subtype C drug resistance among pediatric and adult South African patients failing antiretroviral therapy. 1653 Gody, JC 19202461 High prevalence of antiretroviral drug resistance mutations in HIV-1 non-B subtype strains from African children receiving antiretroviral therapy regimen according to the 2006 revised WHO recommendations. 1654 Delgado, E 18645511 High prevalence of unique recombinant forms of HIV-1 in Ghana: Molecular epidemiology from an antiretroviral resistance study. 1655 Nukoolkarn, S 15650431 Sequence variability of the HIV type 1 protease gene in Thai patients experienced with antiretroviral therapy. 1656 Papa, A 12079565 Genetic variation of the protease and reverse transcriptase genes in HIV-1 CRF04_cpx strains. 1657 Nyombi, BM 18507522 Diversity of human immunodeficiency virus type 1 subtypes in Kagera and Kilimanjaro regions, Tanzania. 1658 Brennan, CA 18931623 The prevalence of diverse HIV-1 strains was stable in Cameroonian blood donors from 1996 to 2004. 1659 Soheilli, ZS 19182925 Presence of HIV-1 CRF35_AD in Iran. 1660 Kousiappa, I 19182918 Genetic analysis of HIV type 1 strains from newly infected untreated patients in Cyprus: high genetic diversity and low prevalence of drug resistance. 1661 van Hal, SJ 19203393 HIV-1 integrase polymorphisms are associated with prior antiretroviral drug exposure. 1662 Tu, YQ 19453981 Human immunodeficiency virus-1 genotypic drug resistance among volunteer blood donors in Yunnan, China. 1663 Nouhin, J 19388823 Low prevalence of drug resistance transmitted virus in HIV Type 1-infected ARV-naive patients in Cambodia. 1666 Eshleman, SH 19327053 Analysis of pol integrase sequences in diverse HIV type 1 strains using a prototype genotyping assay. 1667 Canducci, F 19165083 Dynamic patterns of human immunodeficiency virus type 1 integrase gene evolution in patients failing raltegravir-based salvage therapies. 1668 Kassaye, S 19295330 Envelope coreceptor tropism, drug resistance, and viral evolution among subtype C HIV-1-infected individuals receiving nonsuppressive antiretroviral therapy. 1669 Garrido, C Dynamics in the selection of resistance mutations in HIV patients failing raltegravir and following its discontinuation. 1670 Yamaguchi, J 19361281 HIV type 1 group M subtype G in Cameroon: Five genome sequences. 1671 Ishizaki, A 19239356 Profile of HIV type 1 infection and genotypic resistance mutations to antiretroviral drugs in treatment-naive HIV type 1-infected individuals in Hai Phong, Viet Nam. 1672 Eshleman, SH 19276794 Antiretroviral drug susceptibility among drug-naive adults with recent HIV infection in Rakai, Uganda. 1673 Fujisaki, S 19182917 An 11-year surveillance of HIV type 1 subtypes in Nagoya, Japan. 1674 Ibe, S 18620491 Analysis of near full-length genomic sequences of drug-resistant HIV-1 spreading among therapy-naive individuals in Nagoya, Japan: Amino acid mutations associated with viral replication activity. 1675 Avi, R 19382254 Absence of genotypic drug resistance and presence of several naturally occurring polymorphisms of human immunodeficiency virus-1 CRF06_cpx in treatment-naive patients in Estonia. 1676 Thomson, MM 19363451 Molecular epidemiology of HIV-1 in St Petersburg, Russia: Predominance of subtype A, former Soviet Union variant, and identification of intrasubtype subclusters. 1677 Sichtig, N 19447792 Evolution of raltegravir resistance during therapy. 1679 Koyalta, D 19480574 High frequency of antiretroviral drug resistance among HIV-infected adults receiving first-line highly active antiretroviral therapy in N'Djamena, Chad. 1681 Luo, M 19295329 Prevalence of drug-resistant HIV-1 in rural areas of Hubei province in the People's Republic of China. 1682 Auwanit, W 19500016 Detection of drug resistance-associated and background mutations in human immunodeficiency virus type 1 CRF01_AE protease and reverse transcriptase derived from drug treatment-naive patients residing in central Thailand. 1683 Rhee, SY 19552527 Predictive value of HIV-1 genotypic resistance test interpretation algorithms. 1685 Hosseinipour, MC 19417582 The public health approach to identify antiretroviral therapy failure: High-level nucleoside reverse transcriptase inhibitor resistance among Malawians failing first-line antiretroviral therapy. 1686 Church, JD 18684096 Analysis of nevirapine (NVP) resistance in Ugandan infants who were HIV infected despite receiving single-dose (SD) NVP versus SD NVP plus daily NVP up to 6 weeks of age to prevent HIV vertical transmission. 1687 Jacobs, GB 18593350 Phylogenetic diversity and low level antiretroviral resistance mutations in HIV type 1 treatment-naive patients from Cape Town, South Africa. 1688 Mintsa-Ndong, A 19320567 High HIV Type 1 prevalence and wide genetic diversity with dominance of recombinant strains but low level of antiretroviral drug-resistance mutations in untreated patients in northeast Gabon, Central Africa. 1689 Sirivichayakul, S 18575199 HIV drug resistance transmission threshold survey in Bangkok, Thailand. 1691 Chin, BS 17147501 Inverse relationship between viral load and genotypic resistance mutations in Korean patients with primary HIV type 1 infections. 1692 Fransen, S 22553340 HIV-1 mutations at positions 143, 148, and 155 of integrase define different genetic barriers to raltegravir resistance in vivo. 1694 Brennan, CA 18954404 Identification of human immunodeficiency virus type 1 non-B subtypes and antiretroviral drug-resistant strains in United States blood donors. 1695 Holguin, A 17451342 Introduction of non-B subtypes among Spaniards newly diagnosed with HIV type 1 in the Canary Islands. 1696 Chang, SY 18227088 Trends of antiretroviral drug resistance in treatment-naive patients with human immunodeficiency virus type 1 infection in Taiwan. 1697 Pillay, V 18575198 Antiretroviral drug resistance surveillance among drug-naive HIV-1-infected individuals in Gauteng province, South Africa in 2002 and 2004. 1700 Machado, DM 11741169 Use of the sensitive/less-sensitive (detuned) EIA strategy for targeting genetic analysis of HIV-1 to recently infected blood donors. 1703 Cardoso, LP 19682948 HIV-1 pol phylogenetic diversity and antiretroviral resistance mutations in treatment naive patients from central west Brazil. 1704 Yu, G 19698024 Genetic diversity and drug resistance of HIV type 1 circulating recombinant form_BC among drug users in Guangdong province. 1705 Dumans, AT 18992847 Distinct resistance mutation and polymorphism acquisition in HIV-1 protease of subtypes B and F1 from children and adult patients under virological failure. 1706 Tebit, DM 19697403 Analysis of the diversity of the HIV-1 pol gene and drug resistance associated changes among drug-naive patients in Burkina Faso. 1707 Deho, L 18257688 Subtype assignment and phylogenetic analysis of HIV type 1 strains in patients from Swaziland. 1708 Nguyen, HT 18575200 HIV drug resistance threshold survey using specimens from voluntary counselling and testing sites in Hanoi, Vietnam. 1711 Rosen-Zvi, M 18586740 Selecting anti-HIV therapies based on a variety of genomic and clinical factors. 1712 Lee, CC 19490177 Primary drug resistance and transmission analysis of HIV-1 in acute and recent drug-naive seroconverters in Singapore. 1713 Yaotse, DA 19460333 Genetic characterization of HIV-1 strains in Togo reveals a high genetic complexity and genotypic drug-resistance mutations in ARV naive patients. 1714 Dalai, SC 19770693 Evolution and molecular epidemiology of subtype C HIV-1 in Zimbabwe. 1715 Kandathil, AJ 19625581 The frequency of HIV-I drug resistance mutations among treatment-naive individuals at a tertiary care centre in South India. 1716 Bartolo, I 19433560 Antiretroviral drug resistance surveillance among treatment-naive human immunodeficiency virus type 1-infected individuals in Angola: evidence for low level of transmitted drug resistance. 1717 McConnell, MJ 18572440 Molecular epidemiology of HIV type 1 in newly diagnosed patients in southern Spain. 1720 Escoto-Delgadillo, M 16268822 Drug-resistance mutations in antiretroviral-naive patients with established HIV-1 infection in Mexico. 1721 Arora, SK 18240959 Drug resistance-associated genotypic alterations in the pol gene of HIV type 1 isolates in ART-naive individuals in North India. 1722 Varella, RB 17596836 Human immunodeficiency virus type 1 protease and reverse transcriptase mutation patterns among treatment-naive patients in different stages of infection in Rio de Janeiro, Brazil. 1723 Cuevas, MT 19282784 HIV-1 transmission cluster with T215D revertant mutation among newly diagnosed patients from the Basque Country, Spain. 1724 Vercauteren, J 19835478 Transmission of drug-resistant HIV-1 is stabilizing in Europe. 1726 Galluzzo, CM 18184089 Antiretroviral resistance mutations in untreated pregnant women with HIV infection in Uganda and Rwanda. 1727 Sanchez Onoro, M 17692211 Primary antiretroviral drug resistance among patients diagnosed with HIV infection in Gran Canaria (Spain) between 2002 and 2005. 1728 Grossman, Z 15655750 Drug-resistant HIV infection among drug-naive patients in Israel. 1729 Weber, J 12869833 Role of baseline pol genotype in HIV-1 fitness evolution. 1730 Bellocchi, MC 15977236 Subtype analysis and mutations to antiviral drugs in HIV-1-infected patients from Mozambique before initiation of antiretroviral therapy: Results from the DREAM programme. 1731 Machado, ES 15545865 Alternative, age- and viral load-related routes of nelfinavir resistance in human 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established HIV infections: results from the Canadian HIV strain and drug resistance surveillance program. 1740 Castillo, J 19954301 Surveillance of HIV type 1 drug resistance among naive patients from Venezuela. 1742 Ayouba, A 19886834 Low prevalence of HIV type 1 drug resistance mutations in untreated, recently infected patients from Burkina Faso, Cote d'Ivoire, Senegal, Thailand, and Vietnam: The ANRS 12134 study. 1743 Aghokeng, AF 19474474 Evaluation of transmitted HIV drug resistance among recently-infected antenatal clinic attendees in four Central African countries. 1744 Iqbal, HS 19721100 Primary HIV-1 drug resistance and polymorphic patterns among injecting drug users (IDUs) in Chennai, southern India. 1747 Garrido, C 20007331 Integrase variability and susceptibility to HIV integrase inhibitors: Impact of subtypes, antiretroviral experience and duration of HIV infection. 1748 Wallis, CL 19801944 Varied HIV drug resistance patterns among patients on failing antiretroviral therapy in the South African national roll-out programme. 1749 Cuevas, M 19941808 Incidence of non-B subtypes of HIV-1 in Galicia, Spain: High frequency and diversity of HIV-1 among men who have sex with men. 1750 Burda, ST 20029816 HIV-1 reverse transcriptase drug-resistance mutations in chronically infected individuals receiving or naive to HAART in Cameroon. 1751 Delelis, O 19901095 Impact of Y143 HIV-1 integrase mutations on resistance to raltegravir in vitro and in vivo. 1753 Wittkop, L 19336453 Virological and immunological response in HIV-1-infected patients with multiple treatment failures receiving raltegravir and optimized background therapy, ANRS CO3 Aquitaine Cohort. 1754 Baldanti, F 19950236 Early emergence of raltegravir resistance mutations in patients receiving HAART salvage regimens. 1755 Zhang, J 20121622 Surveillance of transmitted HIV type 1 drug resistance in newly diagnosed HIV type 1-infected patients in Shandong province, China. 1758 Knops, E 20139751 The evolution of protease mutation 76V is associated with protease mutation 46I and gag mutation 431V. 1759 Iweriebor, BC 22189822 Molecular epidemiology of HIV in two highly endemic areas of northeastern South Africa. 1760 Orrell, C 19578237 HIV type-1 clade C resistance genotypes in treatment-naive patients and after first virological failure in a large community antiretroviral therapy programme. 1761 Liao, H 19540543 Phylodynamic analysis of the dissemination of HIV-1 CRF01_AE in Vietnam. 1762 Arruda, LB 20055590 Genetic diversity on the integrase region of the pol gene among HIV type 1-infected patients naive for integrase inhibitors in Sao Paulo City, Brazil. 1763 Low, A 19651917 Natural polymorphisms of human immunodeficiency virus type 1 integrase and inherent susceptibilities to a panel of integrase inhibitors. 1764 Niama, FR 20001521 CRF45_AKU, a circulating recombinant from Central Africa, is probably the common ancestor of HIV type 1 MAL and HIV type 1 NOGIL. 1766 Plantier, JC 19648927 A new human immunodeficiency virus derived from gorillas. 1767 Tovanabutra, S 20156095 Evaluation of HIV type 1 strains in men having sex with men and in female sex workers in Mombasa, Kenya. 1768 Gatanaga, H 17194486 Drug-resistant HIV-1 prevalence in patients newly diagnosed with HIV/AIDS in Japan 1769 Lindstrom, A 17302373 HIV-1 transmission cluster with M41L 'singleton' mutation and decreased transmission of resistance in newly diagnosed Swedish homosexual men. 1770 Brumme, ZL 19690614 HLA-associated immune escape pathways in HIV-1 subtype B gag, pol and nef proteins. 1771 Nouhin, J 21094281 Natural polymorphisms of HIV-1 CRF01_AE integrase coding region in ARV-naive individuals in Cambodia, Thailand and Vietnam: an ANRS AC12 working group study. 1772 Yebra, G 20004217 HIV-1 non-B subtypes: high transmitted NNRTI-resistance in Spain and impaired genotypic resistance interpretation due to variability. 1773 Avi, R 20849300 Characterization of integrase region polymorphisms in HIV type 1 CRF06_cpx viruses in treatment-naive patients in Estonia. 1774 Gonzalez, S 20623996 Short communication: Antiretroviral therapy resistance mutations present in the HIV type 1 subtype C pol and env regions from therapy-naive patients in Zambia. 1775 Nwobegahay, JM 21837878 Prevalence of drug-resistant mutations in newly diagnosed drug-naive HIV-1-infected individuals in a treatment site in the Waterberg district, Limpopo province. 1776 Nwobegahay, JM 23080485 Low prevalence of transmitted genetic drug resistance in a cohort of HIV infected naive patients entering antiretroviral treatment programs at two sites in northern South Africa. 1777 Chaturbhuj, DN 20704495 Transmitted HIV drug resistance among HIV-infected voluntary counseling and testing centers (VCTC) clients in Mumbai, India. 1778 Passaes, CB 19262402 Lack of primary mutations associated with integrase inhibitors among HIV-1 subtypes B, C, and F circulating in Brazil. 1779 Deshpande, A 20334569 Analysis of RT sequences of subtype C HIV-type 1 isolates from Indian patients at failure of a first-line treatment according to clinical and/or immunological WHO guidelines. 1780 Bonura, F 20707733 Transmission of drug-resistant HIV type 1 strains in HAART-naive patients: A 5-year retrospective study in Sicily, Italy. 1781 Hatano, H 20300008 Evolution of integrase resistance during failure of integrase inhibitor-based antiretroviral therapy. 1782 Vinogradova, A 20377421 Short communication: Molecular epidemiology of HIV type 1 in the Republic of Dagestan, Russian Federation: Virtually uniform circulation of subtype A, former Soviet Union variant, with predominance of the V77I(PR) subvariant. 1783 Chin, BS 20156103 Comparison of genotypic resistance mutations in treatment-naive HIV type 1-infected patients in Korea and China. 1784 Phan, TT 20156106 Characterization of HIV type 1 genotypes and drug resistance mutations among drug-naive HIV type 1-infected patients in northern Vietnam. 1785 Knops, E 20430786 Evolution of protease inhibitor resistance in the gag and pol genes of HIV subtype G isolates. 1788 Isarangkura-Na-Ayuthaya, P 20836708 Appearance of drug resistance-associated mutations in human immunodeficiency virus type 1 CRF01_AE integrase derived from drug-naive Thai patients. 1789 Espinosa, A 15097307 Intersubtype BF recombinants of HIV-1 in a population of injecting drug users in Argentina. 1790 Rhee, SY 20660676 HIV-1 protease mutations and protease inhibitor cross resistance. 1791 Ragonnet-Cronin, M 20622676 Longitudinal phylogenetic surveillance identifies distinct patterns of cluster dynamics. 1795 Underwood, M 22878423 The activity of the integrase inhibitor dolutegravir against HIV-1 variants isolated from raltegravir-treated adults. 1798 Manosuthi, W 20507208 Patients infected with HIV type 1 subtype CRF01_AE and failing first-line nevirapine- and efavirenz-based regimens demonstrate considerable cross-resistance to etravirine. 1801 Soares, EA 20483657 Molecular diversity and polymerase gene genotypes of HIV-1 among treatment-naive Cameroonian subjects with advanced disease. 1802 Gomez-Carrillo, M 15320992 Drug resistance testing provides evidence of the globalization of HIV type 1: A new circulating recombinant form. 1803 Pollakis, G 14678607 Recombination of HIV type 1C (C'/C") in Ethiopia: possible link of EthHIV-1C' to subtype C sequences from the high-prevalence epidemics in India and Southern Africa. 1804 Tymchuck Baseline HIV resistance in Malawi. 1805 Mitsuya, Y 17209774 N88D facilitates the co-occurrence of D30N and L90M and the development of multidrug resistance in HIV type 1 protease following nelfinavir treatment failure. 1806 Sa-Filho, D 17919103 Characterization of the full-length human immunodeficiency virus-1 genome from recently infected subjects in Brazil. 1807 Montavon, C 11839159 Identification of a new circulating recombinant form of HIV type 1, CRF11-cpx, involving subtypes A, G, J, and CRF01-AE, in Central Africa. 1808 Baker, CA 17641131 HIV subtypes distribution and implication for antiretroviral treatment in a Ugandan population. 1809 Pieniazek, D HIV-1 complex recombinant was the predominant strain in Burkina Faso by the mid-1980s. 1810 Blanco, JL 21459813 HIV-1 integrase inhibitor resistance and its clinical implications. 1812 Ndembi, N 19938977 Viral rebound and emergence of drug resistance in the absence of viral load testing: A randomized comparison between zidovudine-lamivudine plus nevirapine and zidovudine-lamivudine plus abacavir. 1813 Lawrence, P 16773024 Analysis of polymorphism in the protease and reverse transcriptase genes of HIV type 1 CRF02-AG subtypes from drug-naive patients from Saint-Etienne, France. 1815 Steegen, K 19531211 Effectiveness of antiretroviral therapy and development of drug resistance in HIV-1 infected patients in Mombasa, Kenya. 1817 Holzmayer, V 19552591 Characterization of genetically diverse HIV type 1 from a London cohort: Near full-length genomic analysis of a subtype H strain. 1818 Carr, JK 20426823 HIV-1 recombinants with multiple parental strains in low-prevalence, remote regions of Cameroon: Evolutionary relics?. 1821 Rajesh, L 19895208 Antiretroviral drug-resistant mutations at baseline and at time of failure of antiretroviral therapy in HIV type 1-coinfected TB patients. 1823 Machado, LF 19795985 Molecular epidemiology of HIV type 1 in northern Brazil: Identification of subtypes C and D and the introduction of CRF02_AG in the amazon region of Brazil. 1824 Rodrigues, R 20334570 Young pregnant women living with HIV/AIDS in Criciuma, southern Brazil, are infected almost exclusively with HIV type 1 clade C. 1826 Sanabani, SS 19531216 Near full-length genome analysis of low prevalent human immunodeficiency virus type 1 subclade F1 in Sao Paulo, Brazil. 1828 Huang, DD 19795987 Complex mosaic composition of near full-length genomes of two NED (NIH-ENVA-DOD) subtype panel HIV type 1 strains, BCF-Dioum and BCF-Kita, originating from the Democratic Republic of Congo (DRC). 1829 Cardoso, LP 19792869 High level of multidrug resistance mutations in HIV type 1 pol gene and resistance-associated mutations to enfuvirtide (T-20) among antiretroviral-experienced patients from central Brazil. 1830 Jones, LR 19842791 In-depth analysis of the origins of HIV type 1 subtype C in South America. 1832 Vessiere, A 20386379 First evidence of a HIV-1 M/O recombinant form circulating outside Cameroon. 1834 Hawkins, CA 19644383 Clinical and genotypic findings in HIV-infected patients with the K65R mutation failing first-line antiretroviral therapy in Nigeria. 1835 Ferreira, FG 20156105 Prevalence of primary drug resistance-associated mutations among HIV type 1 vertically infected children in Belo Horizonte, Brazil. 1836 Fish, MQ 20377427 Natural polymorphisms of integrase among HIV type 1-infected south African patients. 1837 Hamkar, R 20610954 Assessing subtype and drug-resistance-associated mutations among antiretroviral-treated HIV-infected patients. 1838 Li, L 20528150 Near full-length genomic characterization of a novel HIV type 1 subtype B/C recombinant strain from Yunnan, China. 1839 Papathanasopoulos, MA 20509797 Characterization of HIV type 1 genetic diversity among South African participants enrolled in the AIDS vaccine integrated project (AVIP) study. 1840 Sanabani, SS 20398371 Characterization and frequency of a newly identified HIV-1 BF1 intersubtype circulating recombinant form in Sao Paulo, Brazil. 1841 Sanders-Buell, E 20438383 Distinct circulating recombinant HIV-1 strains among injecting drug users and sex workers in Afghanistan. 1842 Vallari, A 20059396 Four new HIV-1 group N isolates from Cameroon: prevalence continues to be low. 1843 Yamaguchi, J 20518650 Near full-length sequence of HIV type 1 subtype J strain 04CMU11421 from Cameroon. 1844 Diop-Ndiaye, H 20849302 Antiretroviral drug resistance mutations in antiretroviral-naive patients from Senegal. 1846 de Sa-Filho, DJ 19689200 HIV type 1 diversity from newly diagnosed patients in Santos metropolitan area/Brazil. 1847 Struck, D A new HIV-1 B/F1 unique recombinant form (URF) outbreak in Luxembourg: near full-length genome characterization and phylogenetic analysis. 1849 Ntemgwa, M 18366312 Near full-length genomic analysis of a novel subtype A1/C recombinant HIV type 1 isolate from Canada. 1851 Luk, KC 18851680 Near full-length genome characterization of an HIV type 1 CRF25_cpx strain from Cameroon. 1855 Tee, KK 19272628 Estimating the date of origin of an HIV-1 circulating recombinant form. 1857 Neogi, U 20836706 Naturally occurring polymorphisms and primary drug resistance profile among antiretroviral-naive individuals in Bangalore, India. 1861 Arruda, E 20929346 Intermediate prevalence of HIV type 1 primary antiretroviral resistance in Ceara State, Northeast Brazil. 1863 Avi, R 20964489 Emerging transmitted drug resistance in treatment-naive human immunodeficiency virus-1 CRF06_cpx-infected patients in Estonia. 1864 Mosha, F 20954839 Prevalence of genotypic resistance to antiretroviral drugs in treatment-naive youths infected with diverse HIV type 1 subtypes and recombinant forms in Dar es Salaam, Tanzania. 1865 Wright, JK 20702636 Gag-protease-mediated replication capacity in HIV-1 subtype C chronic infection: Associations with HLA type and clinical parameters. 1867 Zolfo, M 20854169 Genotypic impact of prolonged detectable HIV type 1 RNA viral load after HAART failure in a CRF01_AE-infected cohort. 1868 Arien, KK 16184024 Replicative fitness of historical and recent HIV-1 isolates suggests HIV-1 attenuation over time. 1872 Kandathil, AJ 19292596 A comparison of interpretation by three different HIV type 1 genotypic drug resistance algorithms using sequences from non-clade B HIV type 1 strains. 1873 Zeh, C 15665641 Nigerian HIV type 2 subtype A and B from heterotypic HIV type 1 and HIV type 2 or monotypic HIV type 2 infections. 1874 Balode, D 20981787 Low prevalence of transmitted drug resistance among newly diagnosed HIV-1 patients in Latvia. 1875 Castelbranco, EP 20929349 Frequency of primary resistance to antiretroviral drugs and genetic variability of HIV-1 among infected pregnant women recently diagnosed in Luanda-Angola. 1876 Djoko, CF 20954909 High HIV type 1 group M pol diversity and low rate of antiretroviral resistance mutations among the uniformed services in Kinshasa, DRC. 1877 Djoko, CF 20718620 HIV type 1 pol gene diversity and genotypic antiretroviral drug resistance mutations in Malabo, Equatorial Guinea. 1880 Rangel, HR 20704494 Absence of primary integrase resistance mutations in HIV type 1-infected patients in Venezuela. 1881 Towler, WI 20455758 Analysis of drug resistance in children receiving antiretroviral therapy for treatment of HIV-1 infection in Uganda. 1885 Rey, D 19036752 High rate of early virological failure with the once-daily tenofovir/lamivudine/nevirapine combination in naive HIV-1-infected patients. 1888 Vidal, N 18257687 Characterization of an old complex circulating recombinant form, CRF27_cpx, originating from the Democratic Republic of Congo (DRC) and circulating in France. 1889 Vidal, N 19678767 Genetic characterization of eight full-length HIV type 1 genomes from the Democratic Republic of Congo (DRC) reveal a new subsubtype, A5, in the A radiation that predominates in the recombinant structure of CRF26_A5U. 1890 Yamaguchi, J 18844465 Identification of new CRF43_02G and CRF25_cpx in Saudi Arabia based on full genome sequence analysis of six HIV type 1 isolates. 1900 de Silva, TI 20932333 HIV-1 subtype distribution in the Gambia and the significant presence of CRF49_cpx, a novel circulating recombinant form. 1901 Ng, OT 21235306 Molecular epidemiology of HIV type 1 in Singapore and identification of novel CRF01_AE/B recombinant forms. 1902 El Annaz, H 21087198 Presence of drug resistance mutations among drug-naive patients in Morocco. 1903 Carvalho, BC 21417758 Moderate prevalence of transmitted drug resistance and interiorization of HIV type 1 subtype C in the inland north state of Tocantins, Brazil. 1904 Chamberland, A 22158948 Transmission of HIV-1 drug resistance in Benin could jeopardise future treatment options. 1905 Charpentier, C 21555827 High prevalence of antiretroviral drug resistance among HIV-1-untreated patients in Guinea-Conakry and in Niger. 1906 Ndembi, N 21399479 Transmitted antiretroviral drug resistance among newly HIV-1 diagnosed young individuals in Kampala. 1907 Kasang, C 21886779 HIV drug resistance (HIVDR) in antiretroviral therapy-naive patients in Tanzania not eligible for WHO threshold HIVDR survey is dramatically high. 1908 Gulick, RM 15115831 Triple-nucleoside regimens versus efavirenz-containing regimens for the initial treatment of HIV-1 infection. 1910 Wright, JK 21289112 Influence of Gag-protease-mediated replication capacity on disease progression in individuals recently infected with HIV-1 subtype C. 1911 Hoffmann, C 19911963 Viremia, resuppression, and time to resistance in human immunodeficiency virus (HIV) subtype C during first-line antiretroviral therapy in south Africa. 1912 Bontell, I 21620998 Transmitted drug resistance and phylogenetic analysis of HIV CRF01_AE in northern Vietnam. 1913 El-Khatib, Z 20453629 Viremia and drug resistance among HIV-1 patients on antiretroviral treatment: a cross-sectional study in Soweto, South Africa. 1914 de Medeiros, RM 21837783 Co-circulation HIV-1 subtypes B, C, and CRF31_BC in a drug-naive population from Southernmost Brazil: Analysis of primary resistance mutations. 1915 Mezei, M 21453184 Molecular epidemiological analysis of env and pol sequences in newly diagnosed HIV Type 1-infected, untreated patients in Hungary. 1917 Thorat, SR 21568760 Surveillance of transmitted HIV type 1 drug resistance among HIV yype 1-positive women attending an antenatal clinic in Kakinada, India. 1920 Moussa, S 20939688 First data on HIV-1 resistance mutations to antiretroviral drugs in Central African Republic. 1922 Wallis, CL 20890651 Case report of the rare deletion at codon 69 of reverse transcriptase in a South African HIV-1 subtype C infected patient. 1923 Shahid, A 21680516 HIV-1 circulating recombinant form in Nepal. 1924 Parboosing, R 21739439 Resistance to antiretroviral drugs in newly diagnosed, young treatment-naive HIV-positive pregnant women in the province of KwaZulu-Natal, South Africa. 1925 Sahbandar, IN 19621986 Current HIV type 1 molecular epidemiology profile and identification of unique recombinant forms in Jakarta, Indonesia. 1926 Kao, CF 21235402 Surveillance of HIV type 1 recent infection and molecular epidemiology among different risk behaviors between 2007 and 2009 after the HIV type 1 CRF07_BC outbreak in Taiwan. 1929 Deshpande, A 21453163 Drug Resistance Mutations in HIV Type 1 isolates from naive patients eligible for first line antiretroviral therapy in JJ Hospital, Mumbai, India. 1930 Deshpande, A 19534630 Phylogenetic analysis of HIV-1 reverse transcriptase sequences from 382 patients recruited in JJ Hospital of Mumbai, India, between 2002 and 2008. 1932 van Zyl, GU 21837793 Antiretroviral resistance patterns and factors associated with resistance in adult patients failing NNRTI-based regimens in the western cape, South Africa. 1933 Graf, T 21622023 HIV-1 genetic diversity and drug resistance among treatment naive patients from southern Brazil: An association of HIV-1 subtypes with exposure categories. 1934 Tshabalala, M 21698125 Surveillance of transmitted antiretroviral drug resistance among HIV-1 infected women attending antenatal clinics in Chitungwiza, Zimbabwe. 1935 Ng, OT 21902588 Identification of New CRF51_01B in Singapore using full genome analysis of three HIV type 1 isolates. 1938 Brennan, CA 20576010 Expanded evaluation of blood donors in the United States for human immunodeficiency virus type 1 non-B subtypes and antiretroviral drug-resistant strains: 2005 through 2007. 1939 Riddler, SA 18480202 Class-sparing regimens for initial treatment of HIV-1 infection. 1943 Ajoge, HO 21568761 Drug resistance pattern of HIV type 1 isolates sampled in 2007 from therapy-naive pregnant women in north-central Nigeria. 1944 Chibo, D 21806486 HIV transmissions during seroconversion contribute significantly to new infections in men who have sex with men in Australia. 1945 Su, Q 21916807 HIV-1 subtypes based on the pol gene and drug resistance mutations among antiretroviral-naive patients from Guangxi, Southern China. 1947 Wang, W 18834324 Identification of subtype B, multiple circulating recombinant forms and unique recombinants of HIV type 1 in an MSM cohort in China. 1950 Kagan, RM 19474648 Additional HIV-1 mutation patterns associated with reduced phenotypic susceptibility to etravirine in clinical samples. 1951 Sigaloff, KC 21819219 Accumulation of HIV drug resistance mutations in patients failing first-line antiretroviral treatment in South Africa. 1952 Sigaloff, KC 21694603 Unnecessary antiretroviral treatment switches and accumulation of HIV resistance mutations; two arguments for viral load monitoring in Africa. 1953 Ferreira, AS 21678433 Moderate prevalence of transmitted drug resistance and high HIV-1 genetic diversity in patients from Mato Grosso State, Central Western Brazil. 1954 Matthews, PC 18596105 Central role of reverting mutations in HLA associations with human immunodeficiency virus set point. 1955 Manasa, J 22251009 Primary drug resistance in South Africa - data from 20 years of surveys. 1956 Bunupuradah, T 22024527 Etravirine and rilpivirine resistance in HIV-1 subtype CRF01_AE-infected adults failing non-nucleoside reverse transcriptase inhibitor-based regimens. 1959 Truong, HH 22046237 Sentinel surveillance of HIV-1 transmitted drug resistance, acute infection and recent infection. 1964 Serrano, D Low transmitted drug resistance and high viral genetic diversity of HIV-1 strains circulating in young pregnant women recently diagnosed with HIV-1 infection in Luada, Angola 1965 Bussmann, H 21034246 Prevalence of transmitted HIV drug resistance in Botswana: Lessons learned from the HIVDR-threshold survey conducted among women presenting for routine antenatal care as part of the 2007 national sentinel survey. 1966 Yang, C Global surveillance of transmitted HIV-1 drug resistance in PEPFAR-supported countries using a broadly sensitive genotyping assay 1967 Kamoto, K 18575195 Surveillance of transmitted HIV drug resistance with the World Health Organization threshold survey method in Lilongwe, Malawi. 1968 Duc, NB 22544201 Surveillance of transmitted HIV drug resistance using matched plasma and dried blood spot specimens from voluntary counseling and testing sites in Ho Chi Minh City, Vietnam, 2007-2008 1969 Dau, B 20130473 Connection domain mutations in treatment-experienced patients in the OPTIMA trial. 1970 Green, TN 21819257 Drug resistance and coreceptor usage in HIV type 1 subtype C-infected children initiating or failing highly active antiretroviral therapy in south Africa. 1971 Aghokeng, AF 21860346 Scale-up of antiretroviral treatment in sub-Saharan Africa is accompanied by increasing HIV-1 drug resistance mutations in drug-naive patients. 1972 Delwart, E 22293432 Genetic diversity of recently acquired and prevalent HIV, hepatitis B virus, and hepatitis C virus infections in US blood donors. 1973 Hamers, RL 21802367 HIV-1 drug resistance in antiretroviral-naive individuals in sub-Saharan Africa after rollout of antiretroviral therapy: A multicentre observational study. 1974 Ye, JR 21830915 The prevalence of drug resistance mutations among treatment-naive HIV-infected individuals in Beijing, China. 1975 Zeng, P 22044422 The human immunodeficiency virus-1 genotype diversity and drug resistance mutations profile of volunteer blood donors from Chinese blood centers. 1976 Ferradini, L 21439074 High efficacy of lopinavir/r-based second-line antiretroviral treatment after 24 months of follow up at ESTHER/Calmette Hospital in Phnom Penh, Cambodia. 1977 Charpentier, C 21599597 Virological response and resistance profiles after 18 to 30 months of first- or second-/third-line antiretroviral treatment: A cross-sectional evaluation in HIV type 1-infected children living in the Central African Republic. 1978 Barber, TJ 22258921 Frequency and patterns of protease gene resistance mutations in HIV-infected patients treated with lopinavir/ritonavir as their first protease inhibitor. 1979 Fernandez-Garcia, A 22251084 The analysis of near full-length genome sequences of HIV-1 subtype A viruses from Russia supports the monophyly of major intrasubtype clusters. 1981 Youngpairoj, AS 21923557 Prevalence of drug resistance-related polymorphisms in treatment-naive individuals infected with nonsubtype B HIV type 1 in Cameroon. 1982 Nwobegahay, JM 21957668 Prevalence of antiretroviral drug resistance mutations and HIV-I subtypes among newly-diagnosed drug-naive persons visiting a voluntary testing and counselling centre in northeastern South Africa. 1983 Podzamczer, D 12212928 A randomized clinical trial comparing nelfinavir or nevirapine associated to zidovudine/lamivudine in HIV-infected naive patients (the Combine Study). 1987 Germanaud, D 19933171 Level of viral load and antiretroviral resistance after 6 months of non-nucleoside reverse transcriptase inhibitor first-line treatment in HIV-1-infected children in Mali 1988 Aghokeng, AF 21270223 High failure rate of the ViroSeq HIV-1 genotyping system for drug resistance testing in Cameroon, a country with broad HIV-1 genetic diversity 1989 Sanabani, SS 22022460 Characterization of partial and near full-length genomes of HIV-1 strains sampled from recently infected individuals in Sao Paulo, Brazil. 1990 Karlsson, A 22448246 Low prevalence of transmitted drug resistance in patients newly diagnosed with HIV-1 infection in Sweden 2003-2010. 1991 Dean, J 21366425 Prevalence of HIV type 1 antiretroviral drug resistance mutations in Vietnam: A multicenter study. 1992 Lazaro, E 22039450 Molecular characterization of HIV-1 CRF01_AE in Mekong Delta, Vietnam, and impact of T-cell epitope mutations on HLA recognition (ANRS 12159). 1993 Margot, NA 16925730 Resistance development over 144 weeks in treatment-naive patients receiving tenofovir disoproxil fumarate or stavudine with lamivudine and efavirenz in Study 903 1994 Ngo-Giang-Huong, N 22132100 Resistance patterns selected by nevirapine vs. efavirenz in HIV-infected patients failing first-line antiretroviral treatment: A bayesian analysis. 1996 De Gascun, CF 22176216 Human Immunodeficiency Virus Type 1 in Ireland: Phylogenetic Evidence for Risk Group-Specific Subepidemics. 1997 Melikian, GL 22330916 Standardized comparison of the relative impacts of HIV-1 reverse transcriptase (RT) mutations on nucleoside RT inhibitor susceptibility. 1998 Yang, C 22587343 Transmitted antiretroviral drug resistance and thumb subdomain polymorphisms among newly HIV-1 diagnosed patients infected with CRF01_AE and CRF07_BC virus in Guangdong Province, China 1999 Tran, VT 22264087 No increase of drug-resistant HIV type 1 prevalence among drug-naive individuals in northern Vietnam. 2000 Sinha, S 22496972 Prevalence of HIV drug resistance mutations in HIV type 1 isolates in antiretroviral therapy naive population from northern India. 2002 Musyoki, A 22106990 Genetic characterization of HIV before widespread testing of HIV vaccine candidates at a clinical trial site in Pretoria, South Africa. 2003 Sigaloff, KC 22149307 High prevalence of transmitted antiretroviral drug resistance among newly HIV type 1 diagnosed adults in Mombasa, Kenya. 2005 Hassan, A 22900472 Low prevalence of transmitted HIV-1 drug resistance amongst ARV naive adults in a rural HIV clinic in Kenya. 2008 Garrido, C 22450969 Broad phenotypic cross-resistance to elvitegravir in HIV-infected patients failing on raltegravir-containing regimens. 2009 Frange, P 22348121 Recent HIV-1 infection contributes to the viral diffusion over the French territory with a recent increasing frequency. 2010 Ssemwanga, D 22616647 Low drug resistance levels among drug-naive individuals with recent HIV-1 infection in a rural clinical cohort in southwestern Uganda. 2011 Reynolds, SJ 22443282 Antiretroviral drug susceptibility among HIV-infected adults failing antiretroviral therapy in Rakai, Uganda. 2012 Fokam, J 21817951 Drug resistance among drug-naive and first-line antiretroviral treatment-failing children in Cameroon. 2013 Luebbert, J 22573849 Virological failure and drug resistance in patients on antiretroviral therapy after treatment interruption in Lilongwe, Malawi. 2015 von Wyl, V 20666602 HIV-1 reverse transcriptase connection domain mutations: dynamics of emergence and implications for success of combination antiretroviral therapy. 2016 Dagnra, AY 21663632 High prevalence of HIV-1 drug resistance among patients on first-line antiretroviral treatment in Lome, Togo. 2018 Ragonnet-Cronin, M 22693560 Adaptive evolution of HIV at HLA epitopes is associated with ethnicity in Canada 2019 Hingankar, NK 22544202 Initial virologic response and HIV drug resistance among HIV-infected individuals initiating first-line antiretroviral therapy at 2 clinics in Chennai and Mumbai, India. 2021 Ragonnet-Cronin, M 22826337 Genetic diversity as a marker for timing infection in HIV-infected patients: Evaluation of a 6-month window and comparison with BED. 2022 Gaspareto, KV 22850992 Genetic diversity and primary resistance among HIV-1-positive patients from Maringa, Parana, Brazil. 2023 Hamers, RL 22474222 Patterns of HIV-1 drug resistance after first-line antiretroviral therapy (ART) failure in 6 sub-Saharan African countries: implications for second-line ART strategies. 2024 El Annaz, H 21919803 Drug resistance mutations in HIV type 1 isolates from patients failing antiretroviral therapy in Morocco. 2027 Lee, GQ 23049972 Prolonged and substantial discordance in prevalence of raltegravir-resistant HIV-1 in plasma versus pbmc samples revealed by 454 2028 Machado, LY 22985307 Transmitted HIV yype 1 drug resistance in newly diagnosed Cuban patients. 2029 Avila-Rios, S 22110765 National prevalence and trends of HIV transmitted drug resistance in Mexico 2030 Telan, EF 21503904 The early phase of an HIV epidemic in a population exposed previously to HCV in the Philippines. 2031 Brehm, JH 22618567 Frequent emergence of N348I in HIV-1 subtype C reverse transcriptase with failure of initial therapy reduces susceptibility to reverse-transcriptase inhibitors. 2032 Telan, EF 23959846 Possible HIV transmission modes among at-risk groups at an early epidemic stage in the Philippines. 2035 Descamps, D 20965891 Increasing prevalence of transmitted drug resistance mutations and non-B subtype circulation in antiretroviral-naive chronically HIV-infected patients from 2001 to 2006/2007 in France 2036 Souza Cavalcanti, J 22564967 In-vivo selection of the mutation F121Y in a patient failing raltegravir containing salvage regimen 2037 da Silveira, AA 21790471 HIV type 1 molecular epidemiology in pol and gp41 genes among naive patients from Mato Grosso do Sul State, central western Brazil. 2038 Soria, J 21819256 Transmitted HIV resistance to first-line antiretroviral therapy in Lima, Peru. 2040 Trinh, QD 22260721 Short communication: Drug resistance mutations in the HIV type 1 protease and reverse transcriptase genes in antiretroviral-naive Vietnamese children. 2041 Villena, C 17314158 Relative fitness and replication capacity of a multinucleoside analogue-resistant clinical human immunodeficiency virus type 1 isolate with a deletion of codon 69 in the reverse transcriptase coding region. 2042 Murillo, W 22930496 Prevalence of transmitted HIV-1 drug resistance among female sex workers and men who have sex with men in El Salvador, Central America. 2043 Parczewski, M 23259737 HIV-1 integrase resistance among antiretroviral treatment naive and experienced patients from northwestern Poland. 2044 Jones, LR 21936717 Drug resistance mutations in HIV pol sequences from Argentinean patients under antiretroviral treatment: subtype, gender, and age issues. 2046 An, M 22933290 Reconstituting the epidemic history of HIV strain CRF01_AE among men who have sex with men (MSM) in Liaoning, northeastern China: Implications for the expanding epidemic among MSM in China 2047 Chen, M 23270497 Genetic diversity and drug resistance among newly diagnosed and antiretroviral treatment-naive HIV-infected individuals in western Yunnan: A hot area of viral recombination in China 2048 Hawke, KG 23098890 HIV non-B subtype distribution: Emerging trends and risk factors for imported and local infections newly diagnosed in South Australia 2049 Li, L 23121221 Genetic characterization and transmitted drug resistance of the HIV type 1 epidemic in men who have sex with men in Beijing, China 2050 Nazziwa, J 23173702 HIV-1 transmitted drug resistance and evidence of transmission clusters among recently infected antiretroviral naive individuals from Ugandan fishing communities of Lake Victoria 2051 Rolland, M 22960785 Increased HIV-1 vaccine efficacy against viruses with genetic signatures in Env V2 2052 Nadai, Y 19279683 HIV-1 epidemic in the Caribbean is dominated by subtype B. 2054 Miura, T 18562530 Genetic characterization of human immunodeficiency virus type 1 in elite controllers: Lack of gross genetic defects or common amino acid changes. 2055 Santos, AF 21975076 Primary HIV-1 drug resistance in the C-terminal domains of viral reverse transcriptase among drug-naive patients from southern Brazil 2056 Yerly, S 15199317 HIV-1 co/super-infection in intravenous drug users 2057 Parreira, R 16849040 Genetic characterization of human immunodeficiency virus type 1 from Beira, Mozambique 2058 Yebra, G 19182919 Clinical differences and viral diversity between newly HIV type 1-diagnosed African and non-African patients in Spain (2005-2007). 2059 Han, X 20104106 Genetic and epidemiologic characterization of HIV-1 infection In Liaoning Province, China. 2060 Wang, YE 19036810 Protective HLA class I alleles that restrict acute-phase CD8+ T-cell responses are associated with viral escape mutations located in highly conserved regions of human immunodeficiency virus type 1. 2061 Holguin, A 18691031 Increase of non-B subtypes and recombinants among newly diagnosed HIV-1 native Spaniards and immigrants in Spain. 2062 Florea, D HIV transmitted drug resistance in Romania 2007-2010 2063 Pariente, N 15170628 Long-term suppression of plasma viremia with highly active antiretroviral therapy despite virus evolution and very limited selection of drug-resistant genotypes. 2066 Ye, JR 20950146 Sequence analysis of the gag-pol gene of human immunodeficiency virus type 1 of intersubtype (B/C) recombinant strain in Beijing, China. 2067 Ssemwanga, D 22544200 Transmitted antiretroviral drug resistance among drug-naive female sex workers with recent infection in Kampala, Uganda. 2068 Caron, M 22433277 Prevalence, genetic diversity and antiretroviral drugs resistance-associated mutations among untreated HIV-1-infected pregnant women in Gabon, central Africa. 2069 Temereanca, A 23592112 Transmitted HIV drug resistance in newly diagnosed, treatment-naive Romanian patients. 2070 Selimova, LM HIV-1 pol gene subtypes isolated from drug-naive individuals in Russia. 2071 Tramuto, F 23470353 Dynamics and molecular evolution of HIV-1 strains in Sicily among antiretroviral naive patients. 2073 Frentz, D 23551870 Limited cross-border infections in patients newly diagnosed with HIV in Europe. 2075 Rolland, M 21358627 Genetic impact of vaccination on breakthrough HIV-1 sequences from the STEP trial 2076 Holguin, A 23782115 Transmitted drug-resistance in human immunodeficiency virus-infected adult population in El Salvador, Central America. 2078 Chow, WZ 22997419 Genome sequences of a novel HIV-1 CRF53_01B identified in Malaysia 2080 Alencar, C 23507660 HIV genotypes and primary drug resistance among HIV 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21360548 Subtype diversity associated with the development of HIV-1 resistance to integrase inhibitors. 2091 Brockman, MA 22496233 Uncommon pathways of immune escape attenuate HIV-1 integrase replication capacity. 2092 Canducci, F 21984737 Cross-resistance profile of the novel integrase inhibitor Dolutegravir (S/GSK1349572) using clonal viral variants selected in patients failing raltegravir. 2093 Iamarino, A 22485165 BF integrase genes of HIV-1 circulating in Sao Paulo, Brazil, with a recurrent recombination region. 2094 Kim, JY 20946407 Genetic variation of the HIV-1 integrase region in newly diagnosed anti-retroviral drug-naive patients with HIV/AIDS in Korea. 2096 Luu, QP 22264071 HIV type 1 coreceptor tropism, CCR5 genotype, and integrase inhibitor resistance profiles in Vietnam: Implications for the introduction of new antiretroviral regimens. 2097 Monleau, M 22236055 Drug resistance mutations of HIV type 1 non-B viruses to integrase inhibitors in treatment-naive patients from 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Alcantara, KC 23172151 Increasing heterosexual transmission of HIV-1 subtype C in inland central western Brazil. 2111 Han, X 23741489 High prevalence of HIV-1 intersubtype BC recombinants among injecting drug users in Dehong, China. 2112 Kemal, KS 23458210 Molecular epidemiology of HIV type 1 subtypes in Rwanda. 2113 Armenia, D 22238474 Study of genotypic and phenotypic HIV-1 dynamics of integrase mutations during raltegravir treatment: A refined analysis by ultra-deep 454 pyrosequencing. 2115 Jahanbakhsh, F 23626742 Prevalence of transmitted HIV drug resistance in Iran between 2010 and 2011. 2116 Wilantho A HIV-1 integrase isolated from infected patients in Thailand. 2117 Porter, DP 24525469 Characterization of HIV-1 drug resistance development through week 48 in antiretroviral naive subjects on rilpivirine/emtricitabine/tenofovir DF or efavirenz/emtricitabine/tenofovir DF in the STaR study (GS-US-264-0110) 2121 Masimba, PJ 23806135 Prevalence of drug-resistance mutations and HIV-1 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of HAART in Kuala Lumpur, Malaysia. 2143 Leoz, M 24157908 Characterization of CRF56_cpx, a new circulating B/CRF02/G recombinant form identified in MSM in France. 2144 Kiptoo, M 24180455 HIV-1 drug resistance-associated mutations among hiv-1 infected drug-naive antenatal clinic attendees in rural Kenya. 2145 Hunt, GM 22544199 Surveillance of transmitted HIV-1 drug resistance in Gauteng and KwaZulu-Natal Provinces, South Africa, 2005-2009. 2146 Antoniadou, ZA 24059291 Molecular epidemiology of HIV type 1 infection in northern Greece (2009-2010): evidence of a transmission cluster of HIV type 1 subtype A1 drug-resistant strains among men who have sex with men. 2147 Puthanakit, T 20345882 HIV-1 drug resistance mutations in children after failure of first-line nonnucleoside reverse transcriptase inhibitor-based antiretroviral therapy. 2148 Kotaki, T 24328535 Detection of drug resistance-associated mutations in human immunodeficiency virus type 1 integrase derived from drug-naive individuals in Surabaya, Indonesia. 2149 Imade, GE 24164431 Transmitted HIV drug resistance in antiretroviral-naive pregnant women in north central Nigeria. 2150 Bila, DC 23935858 Evolution of primary HIV drug resistance in a subtype C dominated epidemic in Mozambique. 2151 Somda, A 22544195 Surveillance of transmitted drug-resistant HIV among young pregnant women in Ouagadougou, Burkina Faso. 2152 Leye, N 24035811 High frequency of HIV-1 infections with multiple HIV-1 strains in men having sex with men (MSM) in Senegal. 2153 Billong, SC 23991142 Population-based monitoring of emerging HIV-1 drug resistance on antiretroviral therapy and associated factors in a sentinel site in Cameroon: low levels of resistance but poor programmatic performance. 2154 Grossman, Z 24475093 Comparable long-term efficacy of lopinavir/ritonavir and similar drug-resistance profiles in different HIV-1 subtypes. 2155 Hattori, J 20692295 Trends in transmitted drug-resistant HIV-1 and demographic characteristics of newly diagnosed patients: nationwide surveillance from 2003 to 2008 in Japan. 2157 Afonso, JM 22952625 HIV-1 genetic diversity and transmitted drug resistance mutations among patients from the North, Central and South regions of Angola. 2158 Abecasis, AB 17553886 Recombination confounds the early evolutionary history of human immunodeficiency virus type 1: subtype G is a circulating recombinant form. 2159 Sigaloff, KC 23517497 Short communication: high rates of thymidine analogue mutations and dual-class resistance among HIV-infected Ugandan children failing first-line antiretroviral therapy. 2160 Rawizza, HE 24069209 Accumulation of protease mutations among patients failing second-line antiretroviral therapy and response to salvage therapy in Nigeria. 2161 Rusine, J 23950859 Low primary and secondary HIV drug-resistance after 12 months of antiretroviral therapy in human immune-deficiency virus type 1 (HIV-1)-infected individuals from Kigali, Rwanda. 2162 Nii-Trebi, NI 23977189 HIV-1 drug-resistance surveillance among treatment-experienced and -naive patients after the implementation of antiretroviral therapy in Ghana. 2164 Thiam, M 23241378 HIV-1 genetic diversity and drug resistance among Senegalese patients in the public health system. 2166 Niama, FR 16473564 HIV-1 subtypes and recombinants in the Republic of Congo. 2167 Dvali, N 22585715 Characterization of HIV-1 subtypes and drug resistance mutations among individuals infected with HIV in Georgia. 2168 Capel, E 23880146 Significant changes in integrase-associated HIV-1 replication capacity between early and late isolates. 2169 Inzaule, S 23224100 Field evaluation of a broadly sensitive HIV-1 in-house genotyping assay for use with both plasma and dried blood spot specimens in a resource-limited country. 2170 Hoffmann, CJ 23751421 Resistance to tenofovir-based regimens during treatment failure of subtype C HIV-1 in South Africa. 2171 Bartolo, I 25479241 HIV-1 diversity, transmission dynamics and primary drug resistance in Angola. 2172 Diallo, K 25582324 Viral genetic diversity and polymorphisms in a cohort of HIV-1-infected patients eligible for initiation of antiretroviral therapy in Abuja, Nigeria. 2173 Fourati, S 22695298 E138K and M184I mutations in HIV-1 reverse transcriptase coemerge as a result of APOBEC3 editing in the absence of drug exposure. 2174 Chikata, T 24522911 Host-specific adaptation of HIV-1 subtype B in the Japanese population. 2175 Liu, J 21114465 Drug resistance and HCV coinfection in former blood donors infected with HIV type 1 in China. 2176 Kebe, K 22860571 High rate of antiretroviral drug resistance mutations in HIV type 1 infected Senegalese children in virological failure on first-line treatment according to the World Health Organization guidelines. 2177 Pircher, M 22697883 Molecular characterization of HIV type 1 in Brazzaville, Republic of Congo, and first data on resistance to antiretroviral drugs. 2178 Nerrienet, E HIV-1 protease inhibitors resistance profiles patients virological failure LPV/r based 2nd line regimen Cambodia. 2179 Aghokeng, AF 23374858 Virological outcome and patterns of HIV-1 drug resistance in patients with 36 months' antiretroviral therapy experience in Cameroon. 2180 Kouri, V 22981617 High frequency of antiviral drug resistance and non-B subtypes in HIV-1 patients failing antiviral therapy in Cuba. 2181 Charpentier, C 20977359 Virological failure and HIV type 1 drug resistance profiles among patients followed-up in private sector, Douala, Cameroon. 2182 Nouhin, J 24015311 Increased risk of Q151M and K65R mutations in patients failing stavudine-containing first-line antiretroviral therapy in Cambodia. 2187 Kolomeets, AN 25259833 A uniquely prevalent nonnucleoside reverse transcriptase inhibitor resistance mutation in Russian subtype A HIV-1 viruses. 2188 Theys, K 23183438 HIV-1 subtype is an independent predictor of reverse transcriptase mutation K65R in HIV-1 patients treated with combination antiretroviral therapy including tenofovir. 2189 Theys, K 23027713 Decreasing population selection rates of resistance mutation K65R over time in HIV-1 patients receiving combination therapy including tenofovir. 2191 Steegen, K 24816790 High-level cross-resistance to didanosine observed in South African children failing an abacavir- or stavudine-based 1st-line regimen. 2192 Lapovok, I Molecular epidemiology of HIV-infection in Volga federal district, Russia. 2193 Avidor, B 23469241 Transmission patterns of HIV-subtypes A/AE versus B: inferring risk-behavior trends and treatment-efficacy limitations from viral genotypic data obtained prior to and during antiretroviral therapy. 2194 Lee, GQ 24960249 Prevalence and Virologic Consequences of Transmitted HIV-1 Drug Resistance in Uganda. 2195 Chung, MH 25140907 Oligonucleotide ligation assay detects HIV drug resistance associated with virologic failure among antiretroviral-naive adults in Kenya. 2197 Han, X 23405298 Genome sequences of a novel HIV-1 circulating recombinant form, CRF55_01B, identified in China. 2198 Wei, H 24205935 Genome sequence of a novel HIV-1 circulating recombinant form (CRF57_BC) identified from Yunnan, China. 2199 Wei, H 24164474 Identification of a novel HIV-1 circulating recombinant form (CRF62_BC) in western Yunnan of China. 2201 Chow, WZ 24465513 A newly emerging HIV-1 recombinant lineage (CRF58_01B) disseminating among people who inject drugs in Malaysia. 2202 Simonetti, FR 24602697 Identification of a new HIV-1 BC circulating recombinant form (CRF60_BC) in Italian young men having sex with men. 2203 Hsi, J 24205972 Genome sequence of a Novel HIV-1 circulating recombinant form (CRF64_BC) identified from Yunnan, China. 2204 Liu, Y 22269007 Identification of a novel HIV type 1 circulating recombinant form (CRF52_01B) in Southeast Asia. 2205 Foster, GM 24454702 Novel HIV-1 recombinants spreading across multiple risk groups in the United Kingdom: the identification and phylogeography of circulating recombinant form (CRF) 50_A1D. 2206 Zhao, J 22549382 CRF22_01A1 is involved in the emergence of new HIV-1 recombinants in Cameroon. 2208 Feng, Y 24279591 Identification of a novel HIV Type 1 circulating recombinant form (CRF65_cpx) composed of CRF01_AE and subtypes B and C in Western Yunnan, China. 2210 Meixenberger, K 24920768 Assessment of ambiguous base calls in HIV-1 pol population sequences as a biomarker for identification of recent infections in HIV-1 incidence studies. 2212 Stekler, JD 24831260 Lack of resistance to integrase inhibitors among antiretroviral-naive subjects with primary HIV-1 infection, 2007-2013. 2213 de Souza Cavalcanti, J 25386009 High frequency of dolutegravir resistance in patients failing a raltegravir-containing salvage regimen. 2214 Hardy, I 25281399 Evolution of a novel pathway leading to dolutegravir resistance in a patient harbouring N155H and multiclass drug resistance. 2215 Khairunisa, SQ 25348045 Appearance of drug resistance-associated mutations in human immunodeficiency virus type 1 protease and reverse transcriptase derived from drug-treated Indonesian patients. 2216 Manasa, J 23991055 High-levels of acquired drug resistance in adult patients failing first-line antiretroviral therapy in a rural HIV treatment programme in KwaZulu-Natal, South Africa. 2217 Hassan, AS 24456757 HIV-1 virologic failure and acquired drug resistance among first-line antiretroviral experienced adults at a rural HIV clinic in coastal Kenya: a cross-sectional study. 2218 Hurt, CB 24145878 Resistance to HIV integrase strand transfer inhibitors among clinical specimens in the United States, 2009-2012. 2226 Molina, JM 22015077 Efficacy and safety of once daily elvitegravir versus twice daily raltegravir in treatment-experienced patients with HIV-1 receiving a ritonavir-boosted protease inhibitor: randomised, double-blind, phase 3, non-inferiority study. 2227 Sax, PE 22748591 Co-formulated elvitegravir, cobicistat, emtricitabine, and tenofovir versus co-formulated efavirenz, emtricitabine, and tenofovir for initial treatment of HIV-1 infection: a randomised, double-blind, phase 3 trial, analysis of results after 48 weeks. 2228 DeJesus, E 22748590 Co-formulated elvitegravir, cobicistat, emtricitabine, and tenofovir disoproxil fumarate versus ritonavir-boosted atazanavir plus co-formulated emtricitabine and tenofovir disoproxil fumarate for initial treatment of HIV-1 infection: a randomised, double-blind, phase 3, non-inferiority trial. 2229 Skhosana, L 25659108 High Prevalence of the K65R Mutation in HIV-1 Subtype C Infected Patients Failing Tenofovir-Based First-Line Regimens in South Africa. 2230 Zhao, K 25333965 Genotypes and transmitted drug resistance among treatment-naive HIV-1-infected patients in a northwestern province, China: trends from 2003 to 2013. 2231 Velasco-de-Castro, CA 24498155 HIV-1 diversity and drug resistance mutations among people seeking HIV diagnosis in voluntary counseling and testing sites in Rio de Janeiro, Brazil. 2232 Huruy, K 25649964 Limited increase in primary HIV-1C drug resistance mutations in treatment naive individuals in Ethiopia 2233 Loubet, P 24946849 Prevalence of HIV-1 transmitted drug resistance in Liberia. 2234 Niculescu, I 25369079 Recent HIV-1 outbreak among intravenous drug users in Romania: evidence for cocirculation of CRF14_BG and subtype F1 strains. 2235 Parczewski, M 25248322 Transmitted HIV drug resistance in antiretroviral-treatment-naive patients from Poland differs by transmission category and subtype. 2237 Alexiev, I 25652746 Low HIV-1 transmitted drug resistance in Bulgaria against a background of high clade diversity. 2238 Guimaraes, PM 25826640 Transmitted Drug Resistance Among Recently Diagnosed Adults and Children in Sao Paulo, Brazil. 2239 Wang, Y 25865741 HIV-1 prevalence and subtype/recombinant distribution among travelers entering China from Vietnam at the HeKou port in the Yunnan province, China, between 2003 and 2012. 2240 Yan, H 25653132 Epidemiological and molecular characteristics of HIV infection among money boys and general men who have sex with men in Shanghai, China. 2241 Zhou, YH 25158600 Diverse forms of HIV-1 among Burmese long-distance truck drivers imply their contribution to HIV-1 cross-border transmission. 2242 Wallis, CL 24795328 Drug susceptibility and resistance mutations after first-line failure in resource limited settings. 2243 Seu, L 25754408 Characterization of HIV drug resistance mutations among patients failing first-line antiretroviral therapy from a tertiary referral center in Lusaka, Zambia. 2244 Moura, ME 25411830 Low rate of transmitted drug resistance may indicate low access to antiretroviral treatment in Maranhao State, northeast Brazil. 2245 Bruzzone, B 25970260 Prevalence of HIV-1 subtypes and drug resistance-associated mutations in HIV-1-positive treatment-naive pregnant women in Pointe Noire, Republic of the Congo (Kento-Mwana project). 2246 Zhang, J 25899877 Genetic diversity of HIV-1 and transmitted drug resistance among newly diagnosed individuals with HIV infection in Hangzhou, China. 2247 Carvalho, A 25694526 Analysis of a local HIV-1 epidemic in portugal highlights established transmission of non-B and non-G subtypes. 2248 Laga, V 25845390 HIV type 1 subtype A1 dominates in Armenia. 2249 Lu, X 26200883 HIV-1 genetic diversity and transmitted drug resistance among recently infected individuals at men who have sex with men sentinel surveillance points in Hebei province, China. 2250 Li, X 26121491 HIV-1 genetic diversity and its impact on baseline CD4+T cells and viral loads among recently infected men who have sex with men in Shanghai, China. 2251 Wang, X 26129754 Targeting HIV prevention based on molecular epidemiology among deeply sampled subnetworks of men who have sex with men. 2252 Gashnikova, NM 25738513 A rapid expansion of HIV-1 CRF63_02A1 among newly diagnosed HIV-infected individuals in the Tomsk Region, Russia. 2253 Msimanga, PW 25889106 HIV-1 diversity in an antiretroviral treatment naive cohort from Bushbuckridge, Mpumalanga province, South Africa. 2254 Van Laethem, K 18706932 A genotypic assay for the amplification and sequencing of integrase from diverse HIV-1 group M subtypes. 2255 Kusagawa, S 26021911 Novel HIV-1 recombinant identified in a foreign heterosexual resident in Japan: relatedness to recently reported CRF69_01B, detected primarily among Japanese men who have sex with men. 2256 Grossmann, S 26115688 Subtype-independent near full-length HIV-1 genome sequencing and assembly to be used in large molecular epidemiological studies and clinical management. 2257 Kouri, V 26137563 CRF19_cpx is an evolutionary fit HIV-1 variant strongly associated with rapid progression to AIDS in Cuba. 2258 Chin, BS 25826122 Increase of HIV-1 K103N transmitted drug resistance and its association with efavirenz use in South Korea. 2259 Li, L 25560398 CRF07_BC strain dominates the HIV-1 epidemic in injection drug users in Liangshan prefecture of Sichuan, China. 2260 Guo, H 25879488 Low prevalence of the transmitted HIV-1 drug resistance among newly diagnosed HIV-1 individuals in Jiangsu Province, China during 2009-2011. 2261 Rossouw, TM 26196688 Factors associated with the development of drug resistance mutations in HIV-1 infected children failing protease inhibitor-based antiretroviral therapy in South Africa. 2270 Brooks, K 27231099 Treatment failure and drug resistance in HIV-positive patients on tenofovir-based first-line antiretroviral therapy in western Kenya. 2272 Hunt, GM 28981637 Rates of virological suppression and drug resistance in adult HIV-1-positive patients attending primary healthcare facilities in KwaZulu-Natal, South Africa. 2278 Sobrino-Vegas, P 21820763 The Cohort of the Spanish HIV Research Network (CoRIS) and its associated biobank; organizational issues, main findings and losses to follow-up. 2279 Yang, WL 26362944 Assessing efficacy of different nucleos(t)ide backbones in NNRTI-containing regimens in the Swiss HIV Cohort Study. 2280 Neogi, U 24922326 Temporal trends in the Swedish HIV-1 epidemic: increase in non-B subtypes and recombinant forms over three decades. 2281 Rokx, C 25273080 Increased virological failure in naive HIV-1-infected patients taking lamivudine compared with emtricitabine in combination with tenofovir and efavirenz or nevirapine in the Dutch nationwide ATHENA cohort. 2286 Meini, G 25492218 Frequent detection of antiretroviral drug resistance in HIV-1-infected orphaned children followed at a donor-funded rural pediatric clinic in Dodoma, Tanzania. 2287 Etiebet, MA 23079810 Tenofovir-based regimens associated with less drug resistance in HIV-1-infected Nigerians failing first-line antiretroviral therapy. 2288 Ugbena, R 22544206 Virological response and HIV drug resistance 12 months after antiretroviral therapy initiation at 2 clinics in Nigeria. 2290 Abdellaziz, A 26529365 Predominance of CRF06_cpx and Transmitted HIV Resistance in Algeria: Update 2013-2014. 2291 Billings, E 26287814 The number and complexity of pure and recombinant HIV-1 strains observed within incident infections during the HIV and malaria cohort study conducted in Kericho, Kenya, from 2003 to 2006. 2292 Cheong, HT 26196131 Genetic characterization of a novel HIV-1 circulating recombinant form (CRF74_01B) identified among intravenous drug users in Malaysia: recombination history and phylogenetic linkage with previously defined recombinant lineages. 2293 Boillot, F 26413848 Programmatic feasibility of dried blood spots for the virological follow-up of patients on antiretroviral treatment in Nord Kivu, Democratic Republic of the Congo. 2294 Courtney, CR 26681241 Monitoring HIV-1 group M subtypes in Yaounde, Cameroon reveals broad genetic diversity and a novel CRF02_AG/F2 infection. 2295 Caplinskas, S 23186249 Distinct HIV type 1 strains in different risk groups and the absence of new infections by drug-resistant strains in Lithuania. 2296 Kaleebu, P 26700639 Virological response and antiretroviral drug resistance emerging during antiretroviral therapy at three treatment centers in Uganda. 2299 Dos Anjos Silva, L 26529282 HIV-1 genetic diversity and transmitted drug resistance in antiretroviral treatment-naive individuals from Amapa state, northern Brazil. 2300 Li, Z 26577039 Trends of HIV subtypes and phylogenetic dynamics among young men who have sex with men in China, 2009-2014. 2301 Van Tran, G 26595539 A strong association of human leukocyte antigen-associated Pol and Gag mutations with clinical parameters in HIV-1 subtype A/E infection. 2302 Onsongo, S 26401720 Prevalence of transmitted drug resistance mutations in HIV-1-infected drug-naive patients from urban and suburban regions of Kenya. 2303 Cuevas, JM 26375597 Extremely high mutation rate of HIV-1 in vivo. 2304 Hachiya, A 25956162 Natural polymorphism S119R of HIV-1 integrase enhances primary INSTI resistance. 2305 Guimaraes, ML 26536040 Assessing the HIV-1 epidemic in Brazilian 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in a treatment-naive population in north rift Kenya. 2313 Pessoa, R 27031505 Ultra-deep sequencing of HIV-1 near full-length and partial proviral genomes reveals high genetic diversity among Brazilian blood donors. 2314 Tongo, M 26354000 Near full-length HIV type 1M genomic sequences from Cameroon : Evidence of early diverging under-sampled lineages in the country. 2315 Palm, AA 26066756 Cocirculation of several similar but unique HIV-1 recombinant forms in Guinea-Bissau revealed by near full-length genomic sequencing. 2316 Liu, Y 26258568 Phylogenetic analysis of HIV-1 CRF65_CPX reveals Yunnan province is still a source contributing to the spread of HIV-1 in China. 2317 Hosaka, M 26571151 HIV-1 CRF01_AE and subtype B transmission networks crossover: a new AE/B recombinant identified in Japan. 2318 Diaz, RS 26509441 The virological and immunological characteristics of the HIV-1-infected population in Brazil: from initial diagnosis to impact of antiretroviral use. 2319 Inzaule, SC 26953333 Prevalence and dynamics of the K65R drug resistance mutation in HIV-1-infected infants exposed to maternal therapy with lamivudine, zidovudine and either nevirapine or nelfinavir in breast milk. 2320 Kinloch, NN 26559841 Population-level immune-mediated adaptation in HIV-1 polymerase during the North American epidemic. 2321 Weng, YW 25315212 Prevalence and associated factors for HIV-1 transmitted drug resistance in voluntary clients for counseling and testing in Southern Taiwan. 2322 Novitsky, V 26041893 Long-range HIV genotyping using viral RNA and proviral DNA for analysis of HIV drug resistance and HIV clustering. 2323 Darcissac, E 27009561 HIV-1 pol gene polymorphism and antiretroviral resistance mutations in treatment-naive adult patients in French Guiana between 2006 and 2012. 2325 Fokam, J 26602836 Population-based surveillance of HIV-1 drug resistance in Cameroonian adults initiating antiretroviral therapy according to the World Health Organization guidelines. 2327 Pandey, SS 26756665 Phylogenetic and molecular characterization of six full-length HIV-1 genomes from India reveals a monophyletic lineage of Indian sub-subtype A1. 2329 Abdissa, A 24708645 Drug resistance in HIV patients with virological failure or slow virological response to antiretroviral therapy in Ethiopia. 2330 Bao, Y 24586665 Characteristics of HIV-1 natural drug resistance-associated mutations in former paid blood donors in Henan Province, China. 2331 Ndahimana, JD 27125473 Drug resistance mutations after the first 12 months on antiretroviral therapy and determinants of virologic failure in Rwanda. 2332 Lin, PH 26038447 Slow immunological progression in HIV-1 CRF07_BC-infected injecting drug users. 2333 Moura, ME 25649362 HIV-1 transmitted drug resistance and genetic diversity among patients from Piaui State, Northeast Brazil. 2334 Mulu, A 26626277 Lack of integrase inhibitors associated resistance mutations among HIV-1C isolates. 2335 Han, X 23542640 Identification of 3 distinct HIV-1 founding strains responsible for expanding epidemic among men who have sex with men in 9 Chinese cities. 2336 Martin, E 25212686 Early immune adaptation in HIV-1 revealed by population-level approaches. 2337 Ye, J 25050980 Phylogenetic and temporal dynamics of human immunodeficiency virus type 1B in China: four types of B strains circulate in China. 2338 Jiamsakul, A 25141905 HIV multi-drug resistance at first-line antiretroviral failure and subsequent virological response in Asia. 2348 Abdoel Wahid, F 27412696 HIV-1 genetic diversity and drug resistance mutations among treatment-naive adult patients in Suriname. 2357 Lunar, MM 25970253 Longitudinal trends of recent HIV-1 infections in Slovenia (1986-2012) determined using an incidence algorithm. 2358 Lihana, RW 19954302 HIV type 1 subtype diversity and drug resistance among HIV type 1-infected Kenyan patients initiating antiretroviral therapy. 2360 Amogne, W 26881451 Phylogenetic analysis of Ethiopian HIV-1 Subtype C near full-length genomes reveals high intrasubtype diversity and a strong geographical cluster. 2361 Jahanbakhsh, F 22916738 Molecular epidemiology of HIV type 1 infection in Iran: genomic evidence of CRF35_AD predominance and CRF01_AE infection among individuals associated with injection drug use. 2363 Hora, B 27314585 Genetic characterization of a panel of diverse HIV-1 isolates at seven international sites. 2364 Delgado, E 26599410 Phylogeny and phylogeography of a recent HIV-1 subtype F outbreak among men who have sex with men in Spain deriving from a cluster with a wide geographic circulation in western Europe. 2365 Li, L 26381060 HIV-1 Thai B strain has spread out of former plasma donors into general population through sexual contact in Henan, China. 2366 Cuevas, MT 20707647 Biological and genetic characterization of HIV type 1 subtype B and nonsubtype B transmitted viruses: usefulness for vaccine candidate assessment. 2367 Han, J 26018591 Development of an HIV-1 subtype panel in China: isolation and characterization of 30 HIV-1 primary strains circulating in China. 2368 Feng, Y 23807275 The rapidly expanding CRF01_AE epidemic in China is driven by multiple lineages of HIV-1 viruses introduced in the 1990s. 2369 Choi, DJ 9071436 HIV type 1 isolate Z321, the strain used to make a therapeutic HIV type 1 immunogen, is intersubtype recombinant. 2370 Song, Y 26885715 Near-full-length genome sequences of a novel HIV-1 circulating recombinant form, CRF01_AE/B'/C (CRF78_cpx), in Yunnan, China. 2371 Leoz, M 21522007 Circulation of multiple patterns of unique recombinant forms B/CRF02_AG in France: precursor signs of the emergence of an upcoming CRF B/02. 2372 Delatorre, E 27259365 Tracing the origin of a singular HIV-1 CRF45_cpx clade identified in Brazil. 2373 Li, L 21645646 High genetic diversity of HIV-1 was found in men who have sex with men in Shijiazhuang, China. 2374 Wei, H 23594292 Near full-length genomic characterization of a novel HIV type 1 CRF07_ BC/01_AE recombinant in men who have sex with men from Sichuan, China. 2375 Su, L 27169981 Identification of a Novel HIV-1 Circulating Recombinant Form (CRF85_BC) in Sichuan, China. 2376 Lee, NY 26892740 Characterization of the near full-length genome of a novel HIV-1 CRF01_AE/CRF07_BC recombinant in an injection drug user from southern Taiwan. 2377 Charurat, M 22357663 Characterization of acute HIV-1 infection in high-risk Nigerian populations. 2378 Gui, T 25748656 Genetic Characterization of a Unique Recombinant Originating from CRF55_01B, CRF01_AE, and CRF07_BC in Shenzhen, China. 2379 Cheong, HT 25340817 Cross-border sexual transmission of the newly emerging HIV-1 clade CRF51_01B. 2380 Lau, KA 17919110 Near full-length sequence analysis of a unique CRF01_AE/B recombinant from Kuala Lumpur, Malaysia. 2381 Cho, YK 23199052 Phylogenetic analysis of near full-length HIV type 1 genomic sequences from 21 Korean individuals. 2382 Wilkinson, E 25492033 Sequencing and phylogenetic analysis of near 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immunodeficiency virus type I circulating recombinant form 42 (CRF42_BF) in Luxembourg. 2394 Pouran Yousef, K 27400403 Inferring HIV-1 transmission dynamics in Germany from recently transmitted viruses. 2395 Li, X 25356726 Molecular epidemiology of HIV-1 in Jilin province, northeastern China: emergence of a new CRF07_BC transmission cluster and intersubtype recombinants. 2397 Feng, Y 26763952 Geographic origin and evolutionary history of China's two predominant HIV-1 circulating recombinant forms, CRF07_BC and CRF08_BC. 2398 Margot, NA 20308382 Phenotypic susceptibility to bevirimat in isolates from HIV-1-infected patients without prior exposure to bevirimat. 2399 Sutherland, KA 26258548 Gag-protease sequence evolution following protease inhibitor monotherapy treatment failure in HIV-1 viruses circulating in East Africa. 2400 Pessoa, R 25413141 Enhanced detection of viral diversity using partial and near full-length genomes of human immunodeficiency virus Type 1 provirus deep sequencing data from recently infected donors at four blood centers in Brazil. 2401 Dinesha, TR 27334566 Genotypic HIV-1 drug resistance among patients failing tenofovir-based first-line HAART in South India. 2402 Li, XJ 16386117 Molecular epidemiology of the heterosexual HIV-1 transmission in Kunming, Yunnan province of China suggests origin from the local IDU epidemic. 2403 Zhou, HZ 18670237 A new CRF01_AE/B recombinant structure of HIV type 1 found in Heilongjiang province, China. 2404 Rutvisuttinunt, W 22587412 Two unique recombinant forms identified in incident HIV type 1 infections in Thai blood donors. 2405 Steegen, K 27659733 HIV-1 antiretroviral drug resistance patterns in patients failing NNRTI-based treatment: results from a national survey in South Africa. 2406 Lam, EP 27346600 Antiretroviral resistance after first-line antiretroviral therapy failure in diverse HIV-1 subtypes in the SECOND-LINE study. 2407 Lu, X 27750023 Surveillance of transmitted drug resistance in 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22906365 The prevalence of transmitted drug resistance in newly diagnosed HIV-infected individuals in Croatia: the role of transmission clusters of men who have sex with men carrying the T215S surveillance drug resistance mutation. 2415 Baudi, I 27458715 Molecular epidemiology of co-infection with hepatitis B virus and human immunodeficiency virus (HIV) among adult patients in Harare, Zimbabwe. 2416 Huang, KH 19918101 Prevalence of HIV type-1 drug-associated mutations in pre-therapy patients in the Free State, South Africa. 2417 Hoenigl, M 26967154 Characterization of HIV transmission in south-east Austria. 2418 Aghokeng, AF 24076968 Extraordinary heterogeneity of virological outcomes in patients receiving highly antiretroviral therapy and monitored with the World Health Organization public health approach in sub-saharan Africa and southeast Asia. 2419 Ndase, P 21963939 Outside sexual partnerships and risk of HIV acquisition for HIV uninfected partners in African HIV serodiscordant 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resistance mutations among antiretroviral-treated female sex workers in Nairobi, Kenya 2432 Ross, LL 24586911 HIV-1 transmission patterns in antiretroviral therapy-naive, HIV-infected North Americans based on phylogenetic analysis by population level and ultra-deep DNA sequencing. 2433 Saeng-Aroon, S 26892382 Circulation of HIV-1 multiple complexity recombinant forms among female sex workers recently infected with HIV-1 in Thailand. 2434 Karade, SK 27631260 Cross-sectional study of virological failure and multinucleoside reverse transcriptase inhibitor resistance at 12 months of antiretroviral therapy in Western India. 2435 Liegler, T 24740633 HIV-1 drug resistance in the iPrEx preexposure prophylaxis trial. 2436 Saravanan, S 25839730 Differences in evolution of HIV-1 subtype C reverse transcriptase between children and adults likely explained by maturity of cytotoxic T-lymphocyte responses. 2437 Salvana, EMT 28602726 The changing molecular epidemiology of HIV in the Philippines. 2438 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the hub of human immunodeficiency virus type 1 transmission from the Yunnan province to other regions in China. 2557 Chen, I 28384058 Analysis of HIV Integrase Resistance in Black Men Who Have Sex with Men in the United States. 2559 Lebedev, AV 29323855 Analysis of the env gene variability of the IDU-A HIV-1 variant in the outbreak of the HIV infection epidemic in Perm region of Russia (1996-2011). 2560 Paraschiv, S 29016621 Epidemic dispersion of HIV and HCV in a population of co-infected Romanian injecting drug users. 2561 Alessandri-Gradt, E 28859447 HIV-1 non-group M phenotypic susceptibility to integrase strand transfer inhibitors. 2562 Dow, DE 28797181 HIV Resistance and Prevention of Mother-to-Child Transmission Regimen in HIV-Infected Infants in Northern Tanzania. 2564 Konou, AA 26558549 Alarming rates of virological failure and drug resistance in patients on long-term antiretroviral treatment in routine HIV clinics in Togo. 2566 Tee, KK 28663289 Genome Sequence of a Novel 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accumulation of additional resistance mutations in Ugandan children. 2580 Ceccherini-Silberstein, F 15280771 Identification of the minimal conserved structure of HIV-1 protease in the presence and absence of drug pressure. 2581 Ay, E Transmitted Drug Resistance in Newly Diagnosed, Treatment-Naive, HIV Type 1-Infected Patients in Hungary. 2582 Vubil, A Genetic Diversity and Transmitted Drug Resistance of HIV-1 Subtypes in Blood Donors Candidates in Northern Mozambique. 2583 Saravanan, S 23045961 Darunavir is a good third-line antiretroviral agent for HIV type 1-infected patients failing second-line protease inhibitor-based regimens in South India. 2586 Chen, Y 27973597 Fast Dissemination of New HIV-1 CRF02/A1 Recombinants in Pakistan. 2588 Steegen, K 27923946 Prevalence of Antiretroviral Drug Resistance in Patients Who Are Not Responding to Protease Inhibitor-Based Treatment: Results From the First National Survey in South Africa. 2590 Inzaule, SC 29462322 Primary resistance to integrase strand transfer inhibitors in patients infected with diverse HIV-1 subtypes in sub-Saharan Africa. 2592 Tsiang, M 27645238 Antiviral Activity of Bictegravir (GS-9883), a Novel Potent HIV-1 Integrase Strand Transfer Inhibitor with an Improved Resistance Profile. 2594 Pujari, SN 29315113 Integrase Resistance-Associated Mutations on Raltegravir Failure in Western India: A Preliminary Analysis. 2595 Ndashimye, E 29353487 Absence of HIV-1 Drug Resistance Mutations Supports the Use of Dolutegravir in Uganda. 2597 Nguyen, T 29873733 Prevalence and clinical impact of minority resistant variants in patients failing an integrase inhibitor-based regimen by ultra-deep sequencing. 2599 Hachiya, A 28533248 Impact of HIV-1 Integrase L74F and V75I Mutations in a Clinical Isolate on Resistance to Second-Generation Integrase Strand Transfer Inhibitors. 2610 Malet, I 26205139 Combination of two pathways involved in raltegravir resistance confers dolutegravir resistance. 2614 Manasa, J 28912582 Evolution of gag and gp41 in Patients Receiving Ritonavir-Boosted Protease Inhibitors. 2616 Zhang, WW 30010985 Accumulation of multiple mutations in vivo confers cross-resistance to new and existing integrase inhibitors. 2619 Saladini, F 28832412 The HIV-1 integrase E157Q polymorphism per se does not alter susceptibility to raltegravir and dolutegravir in vitro. 2622 George, JM Rapid development of high level resistance to dolutegravir with emergence of T97A mutation in two treatment experienced individuals with baseline partial sensitivity to dolutegravir. 2623 Oliveira, M 30119633 Selective resistance profiles emerging in patient-derived clinical isolates with cabotegravir, bictegravir, dolutegravir, and elvitegravir. 2636 Seatla, KK 29894383 Four-class drug-resistant HIV-1 subtype C in a treatment experienced individual on dolutegravir-based antiretroviral therapy in Botswana. 2641 Memarnejadian, A 28983848 Prevalence of HIV-1 pre-treatment drug resistance in a southern province of Iran, 2016-2017. 2642 Shahid, A Systematic determination of in vitro phenotypic resistance to HIV-1 integrase strand transfer inhibitors from clinical samples 2643 Jagdagsuren, D 29244859 The second molecular epidemiological study of HIV infection in Mongolia between 2010 and 2016. 2645 Derache, A 30321314 Impact of next generation sequencing defined HIV pre-treatment drug resistance on virological outcomes in the ANRS 12249 treatment as prevention trial. 2646 Kroon, E 30096068 Transmission dynamics among participants initiating antiretroviral therapy upon diagnosis of early acute HIV-1 infection in Thailand. 2647 Li, J 30150680 HIV-1 Transmissions Among Recently Infected Individuals in Southwest China are Predominantly Derived from Circulating Local Strains. 2648 Rudovick, L 30165451 Prevalence of pretreatment HIV drug resistance in Mwanza, Tanzania. 2650 Wang, X 29870534 Epidemiological surveillance of HIV-1 transmitted drug resistance among newly diagnosed individuals in Shijiazhuang, northern China, 2014-2015. 2651 Karamov, E 29587492 HIV-1 Genetic Diversity in Recently Diagnosed Infections in Moscow: Predominance of A(FSU), Frequent Branching in Clusters, and Circulation of the Iberian Subtype G Variant. 2652 Jespersen, S 30044302 Protease Inhibitors or NNRTIs as First-Line HIV-1 Treatment in West Africa (PIONA): A Randomized Controlled Trial. 2655 Tagnouokam Ngoupo, PA 29575910 Short Communication: Characterization of a New HIV-1 Group N Isolate Originating from a Cameroonian Patient. 2656 Kostaki, EG 29697829 Molecular Analysis of Human Immunodeficiency Virus Type 1 (HIV-1)-Infected Individuals in a Network-Based Intervention (Transmission Reduction Intervention Project): Phylogenetics Identify HIV-1-Infected Individuals With Social Links. 2658 Yuan, Y 29549651 Characteristics of HIV-1 Molecular Epidemiology in Suzhou, China, from 2009 to 2014. 2660 Zhang, Y 29985265 Antiretroviral Drug Use and HIV Drug Resistance Among Young Women in Rural South Africa: HPTN 068. 2661 Brado, D 29549274 Analyses of HIV-1 integrase sequences prior to South African national HIV-treatment program and available of integrase inhibitors in Cape Town, South Africa. 2665 Gonzalez-Domenech, CM 29309418 Emergence as an outbreak of the HIV-1 CRF19_cpx variant in treatment-na 2666 Macharia, VM Transmitted HIV-1 Drug resistance and the Role of Herpes Simplex Virus-2 Co-infection among Fishermen along the Shores of Lake Victoria, Kisumu, Kenya. 2668 Sharma, AL 30315192 Antiretroviral resistance, genotypic characterization and origin of Human Immunodeficiency Virus among the infected wives of Intravenous drug users in Manipur. 2669 Rodgers, MA 29232958 ARCHITECT HIV Combo Ag/Ab and RealTime HIV-1 Assays Detect Diverse HIV Strains in Clinical Specimens. 2670 Tchouwa, GF 29931063 Prevalence of pretreatment HIV drug resistance in Cameroon following a nationally representative WHO survey. 2671 Telele, NF 29765082 Pretreatment drug resistance in a large countrywide Ethiopian HIV-1C cohort: a comparison of Sanger and high-throughput sequencing. 2672 Xuan, Q 29739342 High prevalence of HIV-1 transmitted drug resistance among therapy-naive Burmese entering travelers at Dehong ports in Yunnan, China 2673 Wang, H 30086369 High HIV-1 prevalence and viral diversity among entry-exit populations at frontier ports of China, 2012-2016: A cross-sectional molecular epidemiology study. 2674 Thompson, JA 30060027 Evolution of protease inhibitor resistance in HIV-1-infected patients failing protease inhibitor monotherapy as second-line therapy in low-income countries: an observational analysis within the EARNEST randomised trial. 2675 Shu, Z 29633077 Surveillance of HIV-1 drug resistance in Xinjiang: high prevalence of K103N in treatment-naive individuals 2676 Tadesse, BT 29389912 High Levels of Dual-Class Drug Resistance in HIV-Infected Children Failing First-Line Antiretroviral Therapy in Southern Ethiopia. 2677 Li, T 28795354 Drug resistance mutation profiles of the drug-naive and first-line regimen-treated HIV-1-infected population of Suzhou, China 2679 Karkashadze, E 29905958 Epidemiology of human immunodeficiency virus (HIV) drug resistance in HIV patients with virologic failure of first-line therapy in the country of Georgia. 2680 Ueda, S 30229669 Genetic Diversity and Drug Resistance of HIV-1 Circulating in North Sulawesi, Indonesia. 2681 Ojwach, DBA 29997209 Pol-Driven Replicative Capacity Impacts Disease Progression in HIV-1 Subtype C Infection. 2682 Tamalet, C 29797570 Emergence of uncommon HIV-1 non-B subtypes and circulating recombinant forms and trends in transmission of antiretroviral drug resistance in patients with primary infection during the 2013-2015 period in Marseille, Southeastern France. 2684 Meloni, ST 29255731 Implication of First-Line Antiretroviral Therapy Choice on Second-Line Options. 2685 Keita, A 30285106 Impact of HIV-1 primary drug resistance on the efficacy of a first-line antiretroviral regimen in the blood of newly diagnosed individuals in Bamako, Mali. 2687 Zhang, G 30192818 Utilization of dried blood spot specimens can expedite nationwide surveillance of HIV drug resistance in resource-limited settings. 2701 Chen, M 29534773 The changing HIV-1 genetic characteristics and transmitted drug resistance among recently infected population in Yunnan, China. 2702 Machnowska, P 30650082 Prevalence and persistence of transmitted drug resistance mutations in the German HIV-1 Seroconverter Study Cohort. 2703 Chang, D 30601598 Molecular epidemiology of a primarily MSM acute HIV-1 cohort in Bangkok, Thailand and connections within networks of transmission in Asia. 2704 Chen, M 24489829 HIV-1 genetic characteristics and transmitted drug resistance among men who have sex with men in Kunming, China. 2705 Hassan, AS 30562356 HIV-1 subtype diversity, transmission networks and transmitted drug resistance amongst acute and early infected MSM populations from Coastal Kenya. 2706 Irias, SDF 30560686 HIV-1 Transmitted Drug Resistance Mutations in Recently Diagnosed Antiretroviral-Naive Patients in Bel 2707 Soria, J 30560685 Pretreatment HIV Drug Resistance and Virologic Outcomes to First-Line Antiretroviral Therapy in Peru. 2708 Sun, L 30681000 Multiple HIV-1 subtypes were found circulating in Shijingshan District of Beijing, China. 2709 Feng, Y 30389423 First report of a novel HIV-1 recombinant form (CRF100_01C) comprising CRF01_AE and C among heterosexuals in Yunnan, China. 2710 Rasmussen, DA 30555720 Tracking external introductions of HIV using phylodynamics reveals a major source of infections in rural KwaZulu-Natal, South Africa. 2711 Wilhelmson, S 30379960 Prevalence of HIV-1 pretreatment drug resistance among treatment naive pregnant women in Bissau, Guinea Bissau 2712 Arimide, DA 30304061 HIV-genetic diversity and drug resistance transmission clusters in Gondar, Northern Ethiopia, 2003-2013. 2713 Zuckerman, NS 30325775 Sexual intermingling of Arab and Jewish 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J 30793914 Low frequency of protease inhibitor resistance mutations and insertions in HIV-1 subtype C protease inhibitor naive Sequences 2721 Tanaka, TSO 30804893 HIV-1 Molecular Epidemiology, Transmission Clusters and Transmitted Drug Resistance Mutations in Central Brazil. 2722 Xu, Y 29637428 Characterization of HIV-1 subtypes and transmitted drug resistance among treatment-naive HIV-infected individuals in Zhejiang, China, 2014-2017. 2723 Jacobs, GB 24609015 HIV-1 subtypes B and C unique recombinant forms (URFs) and transmitted drug resistance identified in the Western Cape Province, South Africa. 2724 Vignoles, M 18018772 High frequency of primary mutations associated with antiretroviral drug resistance in recently diagnosed HIV-infected children. 2725 Guimar 20621204 Analysis of HIV-1 BF pr/rt recombinant strains from Rio de Janeiro/Brazil reveals multiple unrelated mosaic structures. 2726 Little, SJ 24901437 Using HIV networks to inform real time prevention interventions. 2727 Kinloch, NN 30305354 Genotypic and Mechanistic Characterization of Subtype-Specific HIV Adaptation to Host Cellular Immunity. 2728 Misbah, M 26801790 Comparative analysis of drug resistance mutations in the human immunodeficiency virus reverse transcriptase gene in patients who are non-responsive, responsive and naive to antiretroviral therapy. 2729 Ceccherini-Silberstein, F 17955437 Impact of HIV-1 reverse transcriptase polymorphism F214L on virological response to thymidine analogue-based regimens in antiretroviral therapy (ART)-naive and ART-experienced patients. 2730 Monleau, M Antiretroviral drug resistance in HIV-1 infected patients receiving antiretroviral treatment in routine clinics in Cotonou, Benin 2731 Chaillon, A 28222757 Spatiotemporal dynamics of HIV-1 transmission in France (1999-2014) and impact of targeted prevention strategies. 2740 Konou, AA 27235597 Genetic diversity and transmission networks of HIV-1 strains among men having sex with men (MSM) in Lom 2741 Leigh Brown, AJ 14963120 Genetic basis of hypersusceptibility to protease inhibitors and low replicative capacity of human immunodeficiency virus type 1 strains in primary infection. 2742 Qi, H 23869225 HIV-1 diversity, drug-resistant mutations, and viral evolution among high-risk individuals in phase II HIV vaccine trial sites in southern China. 2743 Roberts, HE 25642847 Structured observations reveal slow HIV-1 CTL escape. 2744 Hunt, G 30741163 Provincial and national prevalence estimates of transmitted HIV-1 drug resistance in South Africa measured using two WHO-recommended methods. 2745 Chen, M 29698467 HIV-1 genetic transmission networks among men who have sex with men in Kunming, China. 2749 Chen, X 27574950 First description of two new HIV-1 recombinant forms CRF82_cpx and CRF83_cpx among drug users in Northern Myanmar. 2751 Ndiaye, HD 23742654 HIV type 1 subtype C remains the predominant subtype in men having sex with men in Senegal. 2752 Mamatkulov, A Monitoring of HIV drug 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Differences in Gag-Protease-Driven Replication Capacity Are Consistent with Intersubtype Differences in HIV-1 Disease Progression. 2761 Hightower, GK 23840830 HIV-1 clade B pol evolution following primary infection. 2762 Lunar, MM 29698470 HIV-1 transmitted drug resistance in Slovenia and its impact on predicted treatment effectiveness: 2011-2016 update. 2763 Lunar, MM 30682549 Sequence ambiguity determined from routine pol sequencing is a reliable tool for real-time surveillance of HIV incidence trends. 2764 Delatorre, E 28325060 HIV-1 Genetic Diversity in Northeastern Brazil: High Prevalence of Non-B Subtypes. 2765 Mohamad, S 22729198 Assessing subtypes and drug resistance mutations among HIV-1 infected children who failed antiretroviral therapy in Kelantan, Malaysia. 2766 Diouara, AA 25527333 Antiretroviral treatment outcome in HIV-1-infected patients routinely followed up in capital cities and remote areas of Senegal, Mali and Guinea-Conakry. 2767 Guichet, E 27342228 Short Communication: High Viral Load and Multidrug Resistance Due to Late Switch to Second-Line Regimens Could Be a Major Obstacle to Reach the 90-90-90 UNAIDS Objectives in Sub-Saharan Africa. 2768 Johnston, V 23943851 Viral suppression following switch to second-line antiretroviral therapy: associations with nucleoside reverse transcriptase inhibitor resistance and subtherapeutic drug concentrations prior to switch. 2773 Tzou, PL 29618499 Comparison of an In Vitro Diagnostic Next-Generation Sequencing Assay with Sanger Sequencing for HIV-1 Genotypic Resistance Testing. 2774 Leoz, M 18525277 Integrase polymorphism and HIV-1 group O diversity. 2776 Nomura, S 23152532 Significant reductions in Gag-protease-mediated HIV-1 replication capacity during the course of the epidemic in Japan. 2777 Mueller, SM 17202219 Dual selection pressure by drugs and HLA class I-restricted immune responses on human immunodeficiency virus type 1 protease. 2778 Soulie, C 25420695 Antiretroviral-Experienced 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antiretroviral therapy in South Africa. 2798 Murillo, W 19686436 Prevalence of drug resistance and importance of viral load measurements in Honduran HIV-infected patients failing antiretroviral treatment. 2799 Recordon-Pinson, P 20530226 Evaluation of the genotypic prediction of HIV-1 coreceptor use versus a phenotypic assay and correlation with the virological response to maraviroc: the ANRS GenoTropism study. 2800 Koigi, P 25487529 HIV type 1 drug resistance patterns among patients failing first and second line antiretroviral therapy in Nairobi, Kenya. 2801 Fall-Malick, FZ 24318486 Drug resistance mutations and genetic diversity in adults treated for HIV type 1 infection in Mauritania. 2802 Marcelin, AG 30789205 Resistance to integrase inhibitors: a national study in HIV-1-infected treatment-naive and -experienced patients. 2813 Doyle, T 26311843 Integrase inhibitor (INI) genotypic resistance in treatment-naive and raltegravir-experienced patients infected with diverse HIV-1 clades. 2814 Lennox, JL 25285539 Efficacy and tolerability of 3 nonnucleoside reverse transcriptase inhibitor-sparing antiretroviral regimens for treatment-naive volunteers infected with HIV-1: a randomized, controlled equivalence trial. 2822 Barabona, G 31273377 Pre-treatment and acquired HIV drug resistance in Dar es Salaam, Tanzania in the era of tenofovir and routine viral load monitoring. 2824 Billings, E 31107298 New Subtype B Containing HIV-1 Circulating Recombinant of sub-Saharan Africa Origin in Nigerian Men Who Have Sex With Men. 2826 Huik, K 31125356 The concordance of the limiting antigen and the Bio-Rad avidity assays in persons from Estonia infected mainly with HIV-1 CRF06_cpx. 2827 Nesakumar, M 31001987 Transmitted HIV-1 Drug Resistance in a Treatment-Naive Cohort of Recently Infected Individuals from Chennai, India. 2828 Omooja, J 31257432 Rates of HIV-1 virological suppression and patterns of acquired drug resistance among fisherfolk on first-line antiretroviral therapy in Uganda. 2830 Acharya, A 30860392 Near-Full-Length Genetic Characterization of a Novel HIV-1 Unique Recombinant with Similarities to A1, CRF01_AE, and CRFO2_AG Viruses in Yaoundé, Cameroon. 2832 Chen, Y 30676308 Increased predominance of HIV-1 CRF01_AE and its recombinants in the Philippines. 2834 Mbange, AE 30309385 Surveillance of transmitted HIV-1 antiretroviral drug resistance in the context of decentralized HIV care in Senegal and the Ebola outbreak in Guinea. 2835 Hanke, K 30944175 Reconstruction of the Genetic History and the Current Spread of HIV-1 Subtype A in Germany. 2836 Jia, D 31228958 Two-year cross-sectional studies reveal that single, young MSMs in Shenzhen, China are at high risk for HIV infection. 2837 Karade, S 30793915 Absence of Integrase Strand Transfer Inhibitor Associated Resistance in Antiretroviral Therapy Naïve and Experienced Individuals from Western India. 2838 Kostaki, EG 30915040 Spatiotemporal Characteristics of the Largest HIV-1 CRF02_AG Outbreak in Spain: Evidence for Onward Transmissions. 2839 Kouamou, V 31361272 Drug resistance and optimizing dolutegravir regimens for adolescents and young adults failing antiretroviral therapy. 2840 Lebedev, A 30863382 Human Immunodeficiency Virus-1 Diversity in the Moscow Region, Russia: Phylodynamics of the Most Common Subtypes. 2841 Khairunisa, SQ Genotypic characterization of human immunodeficiency virus type 1 isolated in Bali, Indonesia in 2016. 2842 Megasari, NLA 31112033 Genotypic Characterization of Human Immunodeficiency Virus Type 1 Isolated from Antiretroviral Treatment-Experienced Individuals in Buleleng Regency, Bali, Indonesia. 2844 Murzakova, A 30995717 Molecular Epidemiology of HIV-1 Subtype G in the Russian Federation. 2845 Telele, NF 31262272 A viral genome wide association study and genotypic resistance testing in patients failing first line antiretroviral therapy in the first large countrywide Ethiopian HIV cohort. 2848 Araújo, PMM 31076722 Characterization of a large cluster of HIV-1 A1 infections detected in Portugal and connected to several Western European countries. 2849 Garrido, C 21457126 Plasma raltegravir exposure influences the antiviral activity and selection of resistance mutations. 2850 Zhang, M Genome sequences of a novel HIV-1 circulating recombinant form (CRF100_0107) identified among men who have sex with men in Shaanxi, China. 2852 Tchouwa, GF 31193678 Nationwide Estimates of Viral Load Suppression and Acquired HIV Drug Resistance in Cameroon. 2853 Margot, NA 31389026 Antiviral activity of HIV-1 integrase strand-transfer inhibitors against mutants with integrase resistance-associated mutations and their frequency in treatment-naive individuals. 2854 Takou, D 30871487 HIV-1 drug resistance testing is essential for heavily-treated patients switching from first- to second-line regimens in resource-limited settings: evidence from routine clinical practice in Cameroon. 2855 Abongwa, LE 31416460 Human immunodeficiency virus type 1 (HIV-1) subtypes in the northwest region, Cameroon. 2856 Crispim, MAE 31498798 Homogenous HIV-1 subtype B from the Brazilian Amazon with infrequent diverse BF1 recombinants, subtypes F1 and C among blood donors. 2857 Machado, LY 31479466 National survey of pre-treatment HIV drug resistance in Cuban patients. 2858 Yaqub, S 31576459 Circulation of multiple subtypes (A, G and CRFs 02_AG) of human immunodeficiency virus type 1 (HIV-1) in selected districts of Punjab province, Pakistan. 2859 Saladini, F 31611362 Comparable in vitro activity of second-generation HIV-1 integrase strand transfer inhibitors (INSTIs) on HIV-1 clinical isolates with INSTI resistance mutations. 2860 Fayssel, N HIV-1 genotyping and antiretroviral drug-resistance mutations determination among drug-naive individuals infected in Morocco. 2861 Lu, X 31595767 Large transmission clusters of HIV-1 main genotypes among HIV-1 individuals before antiretroviral therapy in the Hebei province, China. 2862 Megasari, NLA 31699942 The Emergence of HIV-1 Transmitted Drug Resistance Mutations Among Antiretroviral Therapy-naive Individuals in Buleleng, Bali, Indonesia. 2863 Alaoui, N 31307042 HIV-1 Integrase Resistance among Highly Antiretroviral Experienced Patients from Morocco. 2864 Steegen, K 31433056 Resistance in patients failing integrase strand transfer inhibitors: a call to replace raltegravir with dolutegravir in third-line treatment in South Africa. 2865 Wang, Z 30961560 Diversity of HIV-1 genotypes and high prevalence of pretreatment drug resistance in newly diagnosed HIV-infected patients in Shanghai, China. 2866 Yamaguchi, J 31693506 Complete genome sequence of CG-0018a-01 establishes HIV-1 subtype L. 2867 Lapovok, I 28814231 HIV Type 1 Integrase Natural Polymorphisms in Viral Variants Circulating in FSU Countries. 2868 Varghese, V 20961278 HIV-1 Integrase Sequence Variability in Antiretroviral Naive Patients and in Triple-Class Experienced Patients Subsequently Treated with Raltegravir 2869 Kantor, R 25681380 Pretreatment HIV Drug Resistance and HIV-1 Subtype C Are Independently Associated With Virologic Failure: Results From the Multinational PEARLS (ACTG A5175) Clinical Trial 2871 Oroz, M 31754119 Analysis of HIV-1 diversity, primary drug resistance and transmission networks in Croatia. 2873 Soldi, GFR 31574109 Major drug resistance mutations to HIV-1 protease inhibitors (PI) among patients exposed to PI class failing antiretroviral therapy in São Paulo State, Brazil. 2874 Weber, J 31382033 Prospective Evaluation of the Vela Diagnostics Next-Generation Sequencing Platform for HIV-1 Genotypic Resistance Testing. 2875 Azam, M 23888308 Emergence of drug resistance-associated mutations in HIV-1 subtype C protease gene in north India. 2876 Banin, AN 31353798 Near full genome characterization of HIV-1 unique recombinant forms in Cameroon reveals dominant CRF02_AG and F2 recombination patterns. 2879 Budayanti, NS 30714528 Molecular Antiretroviral Resistance Markers of Human Immunodeficiency Virus-1 of CRF01_AE Subtype in Bali, Indonesia. 2880 Capel, E 22933665 Evolution of the human immunodeficiency virus type 1 protease: effects on viral replication capacity and protease robustness. 2881 Chakravarty, J 26572102 Outcome of patients on second line antiretroviral therapy under programmatic condition in India. 2882 Chehadeh, W 29506011 Drug Resistance-Associated Mutations in Antiretroviral Treatment-Experienced Patients in Kuwait. 2884 Chen, R 31018203 No Difference in Prevalence of Transmitted Drug Resistance between Injection Drug Users and Non-Injection Drug Users: A Cross-Sectional Study among Antiretroviral Treatment-Naïve HIV Patients. 2890 Farrokhi, M 29026792 Antiretroviral Drug Resistance Mutations among HIV Treatment Failure Patients in Tehran, Iran. 2891 Fily, F 30058269 HIV-1 drug resistance testing at second-line regimen failure in Arua, Uganda: avoiding unnecessary switch to an empiric third-line. 2893 Boender, TS 26240203 Pretreatment HIV drug resistance increases regimen switches in sub-Saharan Africa. 2894 Hamilton, CL 22049946 Analysis of protease and reverse transcriptase genes of HIV for antiretroviral drug resistance in Jamaican adults. 2898 Kinyua, JG 30061964 Antiretroviral resistance among HIV-1 patients on first-line therapy attending a comprehensive care clinic in Kenyatta National Hospital, Kenya: a retrospective analysis. 2899 Lihana, RW 20624074 Genetic characterization of HIV type 1 among patients with suspected immune reconstitution inflammatory syndrome after initiation of antiretroviral therapy in Kenya. 2900 Memarnejadian, A 31311021 HIV-1 Drug Resistance Mutations among Antiretroviral Drug-Experienced Patients in the South of Iran. 2906 Parham, L 21417948 Short communication: high prevalence of drug resistance in HIV type 1-infected children born in Honduras and Belize 2001 to 2004. 2908 Péré, H 21942692 Virological response and resistance profiles after 24 months of first-line antiretroviral treatment in adults living in Bangui, Central African Republic. 2909 Pessôa, R 25401747 Deep sequencing of HIV-1 near full-length proviral genomes identifies high rates of BF1 recombinants including two novel circulating recombinant forms (CRF) 70_BF1 and a disseminating 71_BF1 among blood donors in Pernambuco, Brazil. 2910 Pillay, S 24444369 Drug resistance in children at virological failure in a rural KwaZulu-Natal, South Africa, cohort. 2912 Recordon-Pinson, P 22615779 K65R in subtype C HIV-1 isolates from patients failing on a first-line regimen including d4T or AZT: comparison of Sanger and UDP sequencing data. 2915 Saini, S 21990611 Resistance-associated mutations in HIV-1 among patients failing first-line antiretroviral therapy. 2917 Seatla, KK 31751353 Comparison of an in-house 'home-brew' and commercial ViroSeq integrase genotyping assays on HIV-1 subtype C samples. 2918 Smolén, J 21278684 Retrospective analysis of the HIV-1 reverse transcriptase inhibitors' resistance in Silesia, Poland. 2919 Hawkins, C 27076106 HIV virological failure and drug resistance in a cohort of Tanzanian HIV-infected adults. 2921 Zeng, P 28622345 The infection staging and profile of genotypic distribution and drug resistance mutation among the human immunodeficiency virus-1 infected blood donors from five Chinese blood centers, 2012-2014. 2923 Avi, R 26291050 Prevalence of drug resistance mutations in HAART patients infected with HIV-1 CRF06_cpx in Estonia. 2924 Deng, W 19359980 Molecular epidemiological tracing of HIV-1 outbreaks in Hainan island of southern China. 2925 Kostrikis, LG 29684083 HIV-1 transmission networks across Cyprus (2010-2012). 2926 Manolescu, L 22180722 Correlation between resistance profile and immunosuppression in heavily treated HIV-1 infected Romanian patients. 2927 Temereanca, A 29213206 HIV transmission clusters among injecting drug users in Romania. 2929 Sebastião, CS 31770425 Genetic diversity and drug resistance of HIV-1 among infected pregnant women newly diagnosed in Luanda, Angola. 2930 Teto, G 29074854 Gag P2/NC and pol genetic diversity, polymorphism, and drug resistance mutations in HIV-1 CRF02_AG- and non-CRF02_AG-infected patients in Yaounde, Cameroon. 2931 Thirunavukarasu, D 26385878 Patterns of HIV-1 Drug-Resistance Mutations among Patients Failing First-Line Antiretroviral Treatment in South India. 2932 Wu, J 31248372 Phylogenetic analysis highlights the role of older people in the transmission of HIV-1 in Fuyang, Anhui Province, China. 2933 Acharya, A 32106437 Variability in HIV-1 Integrase Gene and 3'-Polypurine Tract Sequences in Cameroon Clinical Isolates, and Implications for Integrase Inhibitors Efficacy. 2934 Ay, E 31330377 Transmitted drug resistance in newly diagnosed and treatment-na?ve HIV type 1-infected patients in Hungary. 2935 Capoferri, AA 31914792 Recombination Analysis of Near Full-Length HIV-1 Sequences and the Identification of a Potential New Circulating Recombinant Form from Rakai, Uganda. 2936 Kouamou, V 32138527 Drug Resistance Among Adolescents and Young Adults with Virologic Failure of First-Line Antiretroviral Therapy and Response to Second-Line Treatment. 2937 Orta-Resendiz, A 32041622 HIV-1 acquired drug resistance to integrase inhibitors in a cohort of antiretroviral therapy multi-experienced Mexican patients failing to raltegravir: a cross-sectional study. 2938 Patino-Galindo, JA 28152089 Identification of a large, fast-expanding HIV-1 subtype B transmission cluster among MSM in Valencia, Spain. 2939 Salvana, EMT 32081778 High rates of tenofovir failure in a CRF01_AE-predominant HIV epidemic in the Philippines. 2940 Ssemwanga, D 32025714 Prevalence of viral load suppression, predictors of virological failure and patterns of HIV drug resistance after 12 and 48 months on first-line antiretroviral therapy: a national cross-sectional survey in Uganda. 2941 Tchiakpe, E Moderate rate of resistance mutations transmitted to antiretrovirals and genetic diversity in newly HIV-1 patients diagnosed in Benin. 2942 Wu, H Characterization of HIV-1 subtypes and transmitted drug resistance among treatment-naive HIV-infected individuals in Shanghai, China, 2013-2015. 2943 Chang, W 32087346 HIV-1 genetic diversity and recombinant forms among men who have sex with men at a sentinel surveillance site in Xi'an City, China. 2944 Chung, MH 31818716 Evaluation of the management of pretreatment HIV drug resistance by oligonucleotide ligation assay: a randomised controlled trial. 2945 Onoriode Digban, T 31889319 Analyses of HIV-1 integrase gene sequences among treatment-naive patients in the Eastern Cape, South Africa. 2946 Gopalan, BP 30695102 Viral evolution in the cell-associated HIV-1 DNA during early ART can lead to drug resistance and virological failure in children. 2947 Masoud, S Pre-treatment and acquired HIV drug resistance in Dar es Salaam, Tanzania in the era of tenofovir and routine viral load monitoring. 2948 de Mulder, M 23284913 High drug resistance prevalence among vertically HIV-infected patients transferred from pediatric care to adult units in Spain. 2950 Ayitewala, A 32005262 Comparison of HIV drug resistance profiles across HIV-1 subtypes A and D for patients receiving a tenofovir-based and zidovudine-based first line regimens in Uganda. 2953 Nduva, GM 32317722 HIV-1 Transmission Patterns Within and Between Risk Groups in Coastal Kenya. 2955 Alves, BM 31024510 Estimating HIV-1 Genetic Diversity in Brazil Through Next-Generation Sequencing. 2956 Marjani, A 31741096 HIV-1 integrase drug-resistance mutations in Iranian treatment-experienced HIV-1-infected patients. 2957 McCormick, KD 32071061 Discordance between Etravirine Phenotype and Genotype-Based Predicted Phenotype for Subtype C HIV-1 from First-Line Antiretroviral Therapy Failures in South Africa. 2958 Mikasi, SG 31830799 HIV-1 Integrase Diversity and Resistance-Associated Mutations and Polymorphisms Among Integrase Strand Transfer Inhibitor-Naive HIV-1 Patients from Cameroon. 2959 Reis, MNG 30804902 Identification of New HIV-1 Circulating Recombinant Forms CRF81_cpx and CRF99_BF1 in Central Western Brazil and of Unique BF1 Recombinant Forms. 2960 Totmenin, AV Natural polymorphisms of HIV-1 integrase coding region in ARV-naive individuals in Tajikistan. 2961 Totmenin, AV Natural polymorphisms of HIV-1 integrase coding region in ARV-naive individuals in Novosibirsk region, Russia 2962 Ye, J 31895143 Transmitted HIV drug resistance among individuals with newly diagnosed HIV infection: a multicenter observational study. 2963 Chen, X 32232730 Laos is Affected by HIV CRF01_AE and the Newly Identified CRF97_01B. 2964 Kirichenko, A 32752001 Genetic Features of HIV-1 Integrase Sub-Subtype A6 Predominant in Russia and Predicted Susceptibility to INSTIs. 2965 Mbisa, JL 32728703 Surveillance of HIV-1 transmitted integrase strand transfer inhibitor resistance in the UK. 2966 Rodgers, MA 32350342 Diverse HCV Strains And HIV URFS Identified Amongst People Who Inject Drugs In India. 2967 Zeng, R 32539490 HIV-1 Genetic Diversity and High Prevalence of Pretreatment Drug Resistance in Tianjin, China. 2968 Zhao, J 32371875 HIV-1 molecular epidemiology and drug resistance-associated mutations among treatment-naive blood donors in China. 2969 Edoul, G 32439500 High HIV burden and recent transmission chains in rural forest areas in southern Cameroon, where ancestors of HIV-1 have been identified in ape populations. 2970 El-Badry, E 32461316 Better Viral Control despite Higher CD4+ T Cell Activation during Acute HIV-1 Infection in Zambian Women Is Linked to the Sex Hormone Estradiol. 2971 Junqueira, DM 32281388 New Genomes from the Congo Basin Expand History of CRF01_AE Origin and Dissemination. 2973 Sivay, MV 32750117 HIV drug resistance, phylogenetic analysis, and superinfection among men who have sex with men and transgender women in sub-Saharan Africa: HPTN 075. 2975 Cardoso, LP 21732793 Molecular characteristics of HIV type 1 infection among prisoners from Central Western Brazil. 2976 Diallo, K 22493752 Comparison of HIV-1 resistance profiles in plasma RNA versus PBMC DNA in heavily treated patients in Honduras, a resource-limited country. 2977 Hassan, AS 30759103 Presence, persistence and effects of pre-treatment HIV-1 drug resistance variants detected using next generation sequencing: A Retrospective longitudinal study from rural coastal Kenya. 2978 Perez-Parra, S 29084239 High prevalence and diversity of HIV-1 non-B genetic forms due to immigration in southern Spain: A phylogeographic approach. 2979 Ragonnet-Cronin, M 29546333 Recent and Rapid Transmission of HIV Among People Who Inject Drugs in Scotland Revealed Through Phylogenetic Analysis. 2980 Rottinghaus, EK 25303690 Evaluation of dried blood spots collected on filter papers from three manufacturers stored at ambient temperature for application in HIV-1 drug resistance monitoring. 2981 Cheng, SW 32746609 Identification of a Novel HIV-1 Unique CRF01_AE/C Recombinant in Yan'an City, Shaanxi Province. 2982 Fabeni, L 32718024 Evaluation of HIV Transmission Clusters among Natives and Foreigners Living in Italy. 2983 Khairunisa, SQ 32799643 2018-2019 Update on the Molecular Epidemiology of HIV-1 in Indonesia. 2984 Kiros, M 32993693 Increased HIV-1 pretreatment drug resistance with consistent clade homogeneity among ART-naive HIV-1 infected individuals in Ethiopia. 2985 Lan, Y 32873064 Genetic characteristics of CRF12_BF first identified in Guangdong Province, China. 2986 Maruapula, D Use of a mutation-specific genotyping method to assess for HIV-1 drug resistance in antiretroviral-naive HIV-1 Subtype C-infected patients in Botswana. 2987 Mziray, SR 32986709 Patterns of acquired HIV-1 drug resistance mutations and predictors of virological failure in Moshi, Northern Tanzania. 2988 Sacks-Davis, R 32870911 Phylogenetic clustering networks among heterosexual migrants with new HIV diagnoses post-migration in Australia. 2989 Silva, AMC HIV-1 prevalence, associated factors, genetic diversity and transmitted drug resistance mutations in a populations of men who have sex with men in Midwestern Brazil. 2990 Song, X 32820943 Near Full-Length Genomic Characterization of a Novel HIV-1 Circulating Recombinant Form (CRF107_01B) Identified Among Men Who Have Sex with Men in Heilongjiang Province of China. 2991 Vergani, B 18024202 Evolution of the HIV-1 protease region in heavily pretreated HIV-1 infected patients receiving Atazanavir. 2993 Xie, YN 32799642 The Genetic Diversity of HIV-1 Within Antiretroviral-Naive Outpatients in Ganzhou, China. 2994 Yang, L Genomic Characterization of a Novel HIV-1 CRF01_AE /B Recombinant in Henan Province, China. 2995 Yin, Y 32972239 Molecular Epidemiology of HIV-1 in Jiangsu Province, Southeast China: Genotypes and HIV-1 Transmission Networks Among Newly Diagnosed Men Having Sex with Men in 2017. 2996 Zhang, Y 32878449 Genetic Diversity, Complicated Recombination, and Deteriorating Drug Resistance Among HIV-1-Infected Individuals in Wuhan, China. 2997 MIkasi, SG Investigation of the HIV-1 diversity in the Cape Wine-lands district of the Western Cape Province of South Africa. 2998 Barik, SK 33246440 Identification and differential expression of serotransferrin and apolipoprotein A-I in the plasma of HIV-1 patients treated with first-line antiretroviral therapy. 2999 Datir, R 33144375 In Vivo Emergence of a Novel Protease Inhibitor Resistance Signature in HIV-1 Matrix. 3001 Keita, A 33237460 Primary resistance to antiretroviral drugs of HIV strains in Chad: a retrospective investigation by analysis of frozen dried blood spot samples. 3003 Khairunisa, SQ 33134195 Identification of HIV-1 subtypes and drug resistance mutations among HIV-1-infected individuals residing in Pontianak, Indonesia. 3004 Liang, S 33347449 The genotype distribution, infection stage and drug resistance mutation profile of human immunodeficiency virus-1 among the infected blood donors from five Chinese blood centers, 2014-2017.