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. 2020 Sep 22;15(9):e0238995. doi: 10.1371/journal.pone.0238995

Fig 1. ML phylogenetic tree of 478 HIV-1 subtype B FL genome American sequences.

Fig 1

Branches are colored according to their classification in pandemic (BPANDEMIC, n = 450) and non-pandemic (BCAR; n = 28) lineages as indicated in the legend at the bottom right. Node support (SH-aLRT) for subtype B and BPANDEMIC monophyletic groups are indicated. The tree was rooted using HIV-1 subtype D sequences. Branch lengths are drawn to scale with the bar at the bottom indicating nucleotide substitutions per site.