They can be caused by strains 6, 11, 30, 42, 43, 44, 45, 51, 52 and 54 of genital HPV; types 6 and 11 are responsible for 90% of genital warts cases. Most people who acquire those strains never develop warts or any other symptoms. HPV also causes legion nitty-gritty of cervical cancer; types 16 and 18 account for 70% of cases.

The viral particles are able to penetrate the skin and mucosal surfaces through microscopic abrasions in the genital area, which occur during sexual activity. Once cells are invaded by HPV, a latency (quiet) period of months to years may occur. HPV virus can last from 3 months to 2 years without a symptom. Having sexuality with a partner whose HPV infection is latent and demonstrates no outward symptoms still leaves one http://www.wartsgenital.org vulnerable to becoming infected.