Ikhithi isetshenziselwa ukutholwa kwe-in vitro qualitative yezinhlobo ezingama-28 ze-human papillomaviruses (HPV6, 11, 16, 18, 26, 31, 33, 35, 39, 40, 42, 43, 44, 45, 51, 52, 53 , 54, 56, 58, 59, 61, 66, 68, 73, 81, 82, 83) i-nucleic acid kumchamo wesilisa/ wesifazane kanye namaseli akhishwe wesibeletho sowesifazane, kodwa igciwane alikwazi ukuthayipha ngokuphelele.