Figure 8. Neighbor-Joining tree of 56 nearly full-length HCV consensus sequences (each 8817 bp in length spanning from HCV Core to NS5b) under maximum composition likelihood model and gamma distribution of rate variation among sites (γ = 0.5). HCV genotype 1a prototype H77 strain was also included (blue branch).

All strains were clustered apparently into two clades with 98% bootstrap support.