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Figure 1 | BMC Infectious Diseases

Figure 1

From: Evidence for a "Founder Effect" among HIV-infected injection drug users (IDUs) in Pakistan

Figure 1

The neighbor-joining (NJ) phylogenetic tree for the 26 sequences (shown in green) of the HIV- gag (p24-p7) region. The tree was constructed by aligning the 26 sequences with HIV reference sequences from Los Alamos database. PAUP* was used to create the tree and distance matrices were generated by using Kimura two-parameter model. The sequence O.CM.91.MVP5180 was used as out group. Closed squares mark the nodes representing bootstrap values ≥ 60. The arrow on the right points to the study subject (HIV-GAG35) with a history of contact with commercial sex workers during an extended stay abroad.

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