do all types of hpv cause warts?
Low-Risk Human Papillomavirus In addition to the vulva and the penis, warts may appear on the cervix or vagina in women, the scrotum in men, or in and around the anus in men or women. Warts may also appear in the mouth and throat. Two strains of HPV, types 6 and 11, cause 90 percent of these warts.