<prompt> Which of the following Human papilloma virus subtypes are not covered by Quadrivalent Anti-cervical cancer vaccine?Type 6Type 7Type 11Type 16  <response>: b. Type 7Ref: Nelsons 20e p, Ghai 8e p 200-201Quadrivalent HPV vaccine contains serotypes 16, 18, 6 11 with aluminium containing adjuvant. 