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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: J Acquir Immune Defic Syndr. 2012 Sep 1;61(1):1–8. doi: 10.1097/QAI.0b013e31825a289b

Figure 1. Phylogenetic tree showing clustered subtype B acute HIV-1 infections (AHI).

Figure 1

Phylogenetic clusters were defined using the following criteria; 1) 99% bootstrap and < 0.015 branch length (green), 2) 95% bootstrap value and < 0.015 branch length (blue), and 3) 95% bootstrap no branch length criterion.