Let’s talk facts about the human papillomavirus (HPV) vaccine. The HPV vaccine protects against nine types of human papillomavirus, including seven high-risk types that cause most HPV-related cancers and two low-risk types that cause most genital warts. The HPV vaccine series is recommended for girls and boys at the age of 11 or 12, and can be started at age 9. It is important for everyone to get vaccinated, because anyone, regardless of their sex, can develop HPV-related cancers. Learn more abo