Fig. 1From: Emergence of HIV-1 drug resistance mutations in mothers on treatment with a history of prophylaxis in GhanaMolecular Phylogenetic Analyses for RT sequences and selected HIV-1 subtype references by maximum likelihood method. Markers indicate reference sequences: ▲ Ref B, ▼ Ref A2, ● Ref A1, ♦ Ref G, ■ Circulating recombinant forms (CRFs)Back to article page