<prompt> What is the minimum age of vaccination of human papilloma virus vaccine?11 years9 years15 years13 years  <response>: - Minimum age to administer HPV vaccine is 9yrs HPV vaccine: - Two vaccines licensed globally are available in India Quadrivalent vaccine Gardasiltm marketed by Merck- Protects against HPV serotypes 6 ,11,16 18. Bivalent vaccine Cervarixtm marketed by Glaxo Smith Kline - Protects against HPV serotypes 16 and 18. Both vaccines are manufactured by recombinant DNA technology. - These vaccines prevents cervical in situ neoplasia grade 2,3 adenocarcinoma in situ - Gardasil also prevents serotype related genital was, vaginal vulvar intraepithelial neoplasia. 