FIG. 1.

Relative proportions of pure subtypes and intersubtype recombinants among drug users in Kenya. (A) Proportion of participants infected with pure and recombinant subtypes together with the breakdown of the relative recombinant percentages based on HIV-1 gag sequences. (B) Proportion of participants infected with pure and recombinant subtypes together with the breakdown of the relative recombinant percentages based on HIV-1 env sequences and (C) relative proportions of participants containing pure subtypes, recombinants, or a mixture of both pure and recombinant subtypes for either the gag or env region of the HIV-1 genome. HIV-1, human immunodeficiency virus type 1.