Do not inj intravascularly, subcutaneously, or intradermally. Do not mix in the same syringe w/ any other vaccines & soln. Observe vaccinees for approx 15 min after vaccination. Postpone vaccination in patients w/ acute severe febrile illness. May not result in protection in all vaccine recipients. Not for treatment of cervical, vulvar, vag, anal, oropharyngeal & other head & neck cancers, high-grade cervical, vulvar, vag & anal dysplastic lesions or genital warts. Not intended to prevent progression of other established HPV-related lesions. Not for prevention of lesions due to a vaccine HPV type in individuals infected w/ that HPV type at the time of vaccination. Not a substitute for routine cervical screening. Patients w/ impaired immune responsiveness, due to use of potent immunosuppressive therapy, a genetic defect, HIV infection, or other causes, may not respond to the vaccine. Caution to patients w/ thrombocytopenia or any coagulation disorder. No safety, immunogenicity or efficacy data to support interchangeability of Gardasil 9 w/ bivalent or quadrivalent HPV vaccines. Postpone vaccination until completion of pregnancy. Safety & efficacy in childn <9 yr have not been established.