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Four in 10 gay or bisexual men with HIV infection in a man U. These high-risk HPVs often affect people who have anal intercourse, such as gays and other men who have sex with men. Research shows that anal cancer risk is 32 times higher in HIV-negative gay or bisexual men than in the general U. Examining cells collected from the anus can detect abnormalities that may develop into anal cancer.

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Longitudinal follow-up is planned, but still ongoing. Anal, oral and genital swabs were taken at baseline and every six months during two years of follow-up for HPV genotyping 19 high-risk and 9 low-risk. Baseline demographics for the sub study included median age 34 years IQR: 27 to 41 , with median of 34 partners in previous two months IQR: 27 to 41 , and median of having sex 10 times in the previous month IQR: 6 to Median IQR number of high-risk infections was 3 1 to 4 , 2 1 to 3 and 1 1 to 2 in each of the three sites respectively, see Table 1. Although abnormal cytology results were reported for two-thirds of participants, and were associated with higher numbers of HPV infections per individual, this association was not considered significant due number of analyses performed.
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High rates of anal HPV infection in gay men using PrEP in IPERGAY: the role of vaccination

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Genetic factors , hormonal factors , immunological factors , and more have been posited as possible biological causes. Regardless of how wide-ranging these studies are, they tend to have one thing in common: they treat gay men as a monolithic group. Coome, D. Ashley Monks, and Doug P. VanderLaan has investigated variation within the population of gay men based on their anal-sex roles that is bottom , or receptive, top , or penetrative, and versatile , or both receptive and penetrative depending on circumstance.
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  • added: 20.06.2019
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