The HIV epidemic among gay men can't be explained by their number of sexual partners, U.S. researchers report.
More than half the new HIV infections diagnosed in the United States in 2005 were among gay men, a team at the University of Washington, Seattle, noted. In addition, as many as one in five gay men living in cities may be HIV-positive.
In fact, two surveys found that most gay men have a similar rate of sex with unprotected partners compared to straight men or women. read more
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