The penile foreskin can harbor the human papillomavirus (HPV) responsible for cervical cancer and genital warts, although experts disagree on whether this means that boys as well as girls should get vaccinations designed to prevent later sexual transmission. In a small Austrian study, nearly a third of the foreskins in males examined contained strains of human papillomavirus (HPV), one of the most common sexually transmitted infections and the cause of 70 percent of cervical cancers. HPV can also lead to genital warts in males and females.
