Prevalence and Awareness of HIV Infection Among Men Who Have Sex With Men – 21 Cities, United States, 2008

This report summarizes CDC’s National HIV Behavioral Surveillance System (NHBS) data collected in 2008 from 21 metropolitan statistical areas (MSAs) using an anonymous cross-sectional interview of men at venues where men who have sex with men (MSM) congregate. The data show that of 8,153 MSM interviewed and tested in the 21 MSAs participating in NHBS in 2008, HIV prevalence was 19 percent, with non-Hispanic blacks having the highest prevalence (28 percent), followed by Hispanics (18 percent), non-Hispanic whites (16 percent), and persons who were multiracial or of other race (17 percent). Of the persons infected with HIV, 44 percent were unaware of their infection.