Abstract
HIV and hepatitis C virus (HCV) share transmission routes, including contaminated blood transfusion, sexual intercourse, and needle-sharing in injection drug users (IDUs). We obtained five near full-length genome sequences of HCV isolated from five HIV-1-coinfected IDUs in Sichuan and Xinjiang provinces, China. By conducting reconstruction of neighbor-joining phylogenetic tree, our results revealed that the five isolates are of four different genotypes (1b, 3a, 6a, and 6n). The amino acid substitutions (170I) in XJN0021 related to resistant to protease inhibitors (grazoprevir) were also identified. The genetic diversity of these sequences uncovered more complicated transmission situation of HCV among IDUs in China.
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