A vaccine used to prevent anal, cervical, vaginal, and vulvar cancer caused by human papillomavirus (HPV) types 16, 18, 31, 33, 45, 52, and 58 and genital warts caused by HPV types 6 and 11. It is also used to prevent lesions that may lead to anal, cervical, vaginal, or vulvar cancer. Gardasil 9 is approved for use in females and males aged 9 to 26 years. It is a type of nonavalent vaccine (a vaccine that works against nine different viruses or other microorganisms). Also called recombinant human papillomavirus nonavalent vaccine.