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POTENTIAL OVERESTIMATION OF HIV-1 SUB-SUBTYPE F1 CIRCULATION IN RIO DE JANEIRO, BRAZIL
Epidemiologia Molecular
Técnicas de Genotipagem
sub-subtipo F1
genoma completo
Rio de Janeiro
sub-subtype F1
full-length genome
molecular epidemiology
genotyping
Brazil
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de AIDS e Imunologia Molecular. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de AIDS e Imunologia Molecular. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de AIDS e Imunologia Molecular. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de AIDS e Imunologia Molecular. Rio de Janeiro, RJ. Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de AIDS e Imunologia Molecular. Rio de Janeiro, RJ. Brasil.
Resumen en ingles
In Brazil, detection of the HIV-1 sub-subtype F1 has decreased with a simultaneous increase in detection of the recombinant FB and FC forms. In previous HIV-1 env molecular epidemiology studies in Rio de Janeiro, 11.4% of the detected sequences were of the F1 sub-subtype. With the goal of re-estimating the prevalence of the HIV-1 F1 sub-subtype, we performed extended analyses of these samples by examining five genomic regions, resulting in 3.3% being confirmed as F1. Moreover, genomic analysis of 11 of the 21 samples identified as F1 confirmed that nine were F1 and two were BF1. Considering the number of samples assayed, the prevalence of F1 was quite low, which supports the use of different genomic regions for the assessment of HIV-1 classification in countries where several subtypes and recombinant forms co-circulate.
Palabras clave en portugues
HIV-1Epidemiologia Molecular
Técnicas de Genotipagem
sub-subtipo F1
genoma completo
Rio de Janeiro
Palabras clave en ingles
HIV-1sub-subtype F1
full-length genome
molecular epidemiology
genotyping
Brazil
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