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Phylogenetic tree of non-hypermutated HIV-1 near-full length sequences. NVS samples (blue squares), controls on HAART (green squares), untreated controls (orange squares), and the reference sequences (Ref.B.MN.M17449, Ref.B.FR.83.HXB2, and Ref.B.US.AY331295). The phylogenetic analysis has been performed on near-full length sequences and is based on neighbor joining method. They were constructed using MEGA3 (Kumar et al., 2004; Saitou and Nei, 1987).
