CDC: Gay Men Represent 2 Percent Of US Population, 52 Percent Of People With HIVGay, bisexual and other men who have sex with men (MSM) make up 2 percent of the U.S. population but are the group most definitively affected by HIV, with 63 percent of those newly infected by HIV representing this group.
CDC: 62 Percent Of HIV-Positive Men Have Unprotected SexData released last week found that 62 percent of US men who self-reported being HIV-positive said they had unprotected anal sex with a male partner in the last 12 months.