Human papillomavirus (HPV) is common and widespread virus, and about 85% of people will get an HPV infection in their lives. According to the Centers for Disease Control and Prevention , it spreads mainly through direct contact, particularly during sexual activities such as vaginal, anal, or oral sex. There are over 200 types of HPV, but some of them can cause serious health problems, like cancer. Most of the time, the body fights off the infection on its own, but if certain types of HPV persist for too...