<prompt> Which of the following Human papilloma virus subtypes are not covered by Quadrivalent Anti- cervical cancer vaccine?Type 6Type 7Type 11Type 16  <response>: HPV VACCINE : - Quadrivalent vaccine - Gardasil - Protects against strains 6 ,11,16 18. - Bivalent vaccine - Cervarix - Protects against strains 16,18 - These prevent cervical insitu neoplasia grade 2, 3 adenocarcinoma in situ - Gardasil also prevents serotype related genital was, vaginal vulvar intraepithelial neoplasia - Both vaccines are immunogenic at 9-14yrs of age protection persists for atleast 5yrs 