The HPV vaccine is primarily recommended for preteens and young adults up to age 26 because it is most effective when given before any exposure to the virus, typically before becoming sexually active....

The HPV vaccine is recommended for individuals under 26 years old because it's most effective when given before exposure to the virus through sexual activity. The immune response to the vaccine might not be as strong in older adults who have likely already been exposed to some types of HPV. However, if you are over 26 and concerned about your risk for HPV, talk to a healthcare provider about potential options or screenings that may still benefit you.