Fig. 1From: Protease and gag diversity and drug resistance mutations among treatment-naive Mexican people living with HIVPhylogenetic tree analysis of HIV gag and protease from ART-naive Mexican individuals. Neighbor joining trees were constructed from the aligned sequences of a protease and b Gag. HIV risk factors are denoted by MSM (men who have sex with men), MSW (men who have sex with women), and MBI (men bisexual). The corresponding subgroup for each reference strain is shown next to the accession numberBack to article page