He pai tenei kete mo te rapunga kounga in vitro o nga momo huaketo papilloma tangata 18 (HPV) (HPV16, 18, 26, 31, 33, 35, 39, 45, 51, 52, 53, 56, 58, 59, 66, 68, 73, 82) nga kongakonga waikawa nucleic motuhake i roto i te mimi tane/wahine me nga pūtau whakawharewharewha wahine me te HPV 16/18 patopato.