Anal HPV Prevalence
No answer was dictated for the above questions.
Studies show that women with anal and cervical infections frequently have similar HPV strains, which is consistent with a common source of infection or spread from one site to the other.
Among women followed prospectively half of incidence of anal HPV infections and of these 58% cleared within one year.
12% of MSW have an anal HPV infection, and 7% had at least one high-risk type.
Anal intercourse does not appear to be a necessary factor for the acquisition of an anal HPV infection.
Factors associated with anal HPV persistence include douching, long-term tobacco use, and anal intercourse.
MSM who have HPV infection often have multiple HPV types, with greater frequency than is seen in the general population.
The highest portions of men with anal HPV infection are MSM, particularly HIV-infected MSM.
In this population anal HPV infection was equal to and more common than cervical HPV infection.
The prevalence of anal HPV infection and cervical infection in healthy women in the general population in Hawaii was similar, approximately 29% and 27% positivity in the cervix and the anus, respectively.
The lifetime number of female sexual partners is associated with anal infection in the man with any HPV type.
Over 90% of HIV-infected MSM have anal HPV infection.