Infection with anal human papillomavirus, a virus that can cause anal and cervical cancers, is associated with a higher risk of new HIV infection in previously HIV-negative men who have sex with men, according to new research.
Infection with anal human papillomavirus, a virus that can cause anal and cervical cancers, is associated with a higher risk of new HIV infection in previously HIV-negative men who have sex with men, according to new research.