HIV Testing and Risk Behaviors Among Gay, Bisexual, and Other Men Who Have Sex with Men — United States

From US CDC November 29, 2013

The burden of human immunodeficiency virus (HIV) is high among gay, bisexual, and other men who have sex with men (MSM) (1). High HIV prevalence, lack of awareness of HIV-positive status, unprotected anal sex, and increased viral load among HIV-positive MSM not on antiretroviral treatment contribute substantially to new infections among this population. CDC analyzed data from the National HIV Surveillance System (NHSS) to estimate the percentage of HIV diagnoses among MSM by area of residence and data from the National HIV Behavioral Surveillance System (NHBS) to estimate unprotected anal sex in the past 12 months among MSM in 2005, 2008, and 2011; unprotected discordant anal sex at last sex (i.e., with a partner of opposite or unknown HIV status) in 2008 and 2011; and HIV testing history and the percentage HIV-positive but unaware of their HIV status by the time since their last HIV test in 2011. This report describes the results of these analyses.

In all but two states, the majority of new HIV diagnoses were among MSM in 2011. Unprotected anal sex at least once in the past 12 months increased from 48% in 2005 to 57% in 2011 (p<0.001). The percentage engaging in unprotected discordant anal sex was 13% in 2008 and 2011. In 2011, 33% of HIV-positive but unaware MSM reported unprotected discordant (unknown HIV status of sex partner) anal sex. Among MSM with negative or unknown HIV status, 67% had an HIV test in the past 12 months. Among those tested recently, the percentage HIV-positive but unaware of their infection was 4%, 5%, and 7% among those tested in the past ≤3, 4–6, and 7–12 months, respectively. Expanded efforts are needed to reduce HIV risk behaviors and to promote at least annual HIV testing among MSM ….

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The figure above shows the estimated percentage of persons diagnosed with HIV with infection attributed to male-to-male contact or male-to-male contact and injection drug use, by area of residence, in the United States in 2011. In 2011, men who have sex with men accounted for at least half of persons diagnosed with HIV in all but two states. (NOTE: Hawaii 70-79%)

CBS: CDC: 62 Percent Of HIV-Positive Men Have Unprotected Sex

Background: World AIDS Day: Gay Inc Drops HIV for Marriage, Military & Money