Abstract
New research that begins to explain why gay and bisexual black men carry such a disproportionate burden of HIV infection in the United States also shows how intricately woven the epidemics web of human behavior microbial interaction and treatment access has become. Overall the Centers for Disease Control and Prevention (CDC) in Atlanta estimates that of the roughly 1 million individuals with HIV infection living in the United States 45% are men who have sex with men (MSM) compared with 27% who were infected through heterosexual contact and 22% infected through use of injection drugs. But recent CDC findings show a disproportionate impact on black MSM. A study of 1767 MSM in 5 US cities showed that 46% of black men were HIV-infected. By comparison 21% of whites and 17% of Hispanics in the study were HIV positive. (excerpt)
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