Men who have anal sex with men (MSM) are more likely to get anal HPV than men who only have sex with women. Researchers estimate that the prevalence of anal HPV among men who only have sex with women is around 15% while anal HPV prevalence for MSM is around 60%. If you add HIV into the mix, infection risk goes up still -- one study published by “HIV Medicine” found that 77% of MSM with HIV were also infected with anal HPV; another study published by the “Journal of Infectious Diseases” found that over 90% of MSM with HIV were infected with at least one strain of HPV.
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