Gynaecology & Obstetrics Aetiological factors bb4f1589 Cervarix vaccine for HPV contains which strains of virus? A HPV 6, 11 B HPV 16, 18 C HPV 6, 11, 16, 18 D HPV 16, 18, 31, 33 High-Yield Explanation Ans. is 'b' i.e., HPV 16, 18 o Two vaccines are available:# Bivalent vaccine: Cervarix (HPV 16, 18)# Quadrivalent vaccine: Gardasil (HPV 6, 11, 16, 18)