Gay teenagers who have had at least four
sexual partners are at increased risk of contracting human papillomavirus
(HPV), a new study suggests.
the vaccine effective?
Men who'd ever had vaginal sex or anal sex were more likely to test positive for penile HPV, according to results published in the Journal of Infectious Diseases. Among men who had never received anal sex,
10% tested positive for anal HPV. That compared to nearly half of those who
said they'd had at least four anal sex partners.
He said doctors can increase awareness and
the likelihood that boys will be vaccinated against HPV through conversations
with their parents.