Figure 3From: Evolution of subtype C HIV-1 Env in a slowly progressing Zambian infantNeighbor-joining (NJ) tree describing phylogenetic relationships between mother (black) and infant (colors) samples collected from all timepoints, using a GTR model of nucleotide substitution. Labels indicate the time of collection (i. e.: i06 corresponds to sequences from the infant collected 6 months after birth).Back to article page