Multiple Introduction and Naturally Occuring Drug Resistance of HCV among HIV-Infected Intravenous Drug Users in Yunnan: An Origin of China’s HIV/HCV Epidemics
Fig 2
Neighbor-joining phylogenetic tree of partial NS5B gene from HIV/HCV coinfected IUDs in Yunnan.
Neighbor-joining phylogenetic tree for 240 NS5B sequences and relative reference sequences. The scale bar indicates 5% nucleotide sequence divergence. Values on the branches represent the percentage of 1000 bootstrap replicates and bootstrap values over 70% are shown in the tree.