Human Papilloma Virus
Human Papilloma Virus is one of the papilloma viruses that can infect humans in keratinocytes of their skin or mucous membranes. While a majority of about 200 HPV types has no symptoms in people, some of the types do cause warts or verrucae and some may even advance to cancers of the vulva, cervix, vagina and anus (in women), and cancers of the anus and penis (in men). An HPV can also lead to cancers of the head and the neck linked with tongue, throat and tonsils. Over 30-40 HPV types are caused through sexual contact, and produce infection in the anogenital region.