University of California researchers have discovered human papillomavirus, or HPV, that are specifically linked to HIV infection; any HPV type, more than one increases the risk of HIV. HPV16, 18, 31, 33, 35, 52, 58 are linked to HIV. Studies have shown a general link between HPV and HIV co-infection, this study illustrates the relationship between individual HPV types and HIV infection.

Some HPV types are more linked to cancer and others to warts. This further illustrates the potential utility of HPV vaccine for men who have sex with men and trans women, not only for HPV prevention but also possibly for HIV prevention. The research team looked at infection with 37 HPV types and found that individual types are linked.

The study investigated the relationship between HPV types and incident HIV infection among men who have sex with men and transgender women. The study had 600 participants recruited at a local community-based health center, bars, clubs, volleyball courts, and via social media.

Researchers started with two groups, one with genital warts and one without, and followed participants over two years to see who contracted HIV. Of the 571 participants who completed at least two study visits, 73 acquired HIV in two years – a 6 percent HIV incidence rate. HPV is the most common STI, HPV vaccine works to prevent chronic HPV infection.
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