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Short Communication: Viral Genetic Linkage Analysis Among Black Men Who Have Sex With Men (HIV Prevention Trials Network 061).

Analysis of viral genetic linkage can reveal generalized transmission patterns within a population. The HIV Prevention Trials Network 061 study evaluated HIV incidence among black men who have sex with men. HIV genotypes from 169 men who were HIV infected at enrollment and 23 men who seroconverted during the study were analyzed for genetic linkage. This analysis showed some associations of viral linkage with income, study site, and timing of infection.