more than 40 strains of HPV https://www.cdc.gov/std/tg2015/hpv.htm https://www.cdc.gov/std/tg2015/hpv.htm decrease Many people clear the virus more than 40 strains of HPV there are roughly 40 that are sexually transmitted boys and girls between the ages of 11 and 12 there are roughly 40 that are sexually transmitted there are roughly 40 that are sexually transmitted there are roughly 40 that are sexually transmitted More than 100 types www.cdc.gov/std/tg2015/hpv.htm https://www.cdc.gov/std/tg2015/hpv.htm HPV Infection Guidelines Human Papillomavirus (HPV) Infection cdc.gov/std/tg2015/hpv.htm Центр по контролю заболеваний США por cuenta propia clear the virus on its own What is HPV US Center for Disease Control boys and girls between the ages of 11 and 12