O lenei pusa e talafeagai mo in vitro qualitative suʻesuʻega o ituaiga 18 papilloma viruses (HPV) (HPV16, 18, 26, 31, 33, 35, 39, 45, 51, 52, 53, 56, 58, 59, 66, 68, 73, 82) vaega fa'apitoa ole nucleic acid i sela fa'ama'i fa'aa'au fafine ma HPV 16/18 ta'i, e fesoasoani e su'esu'e ma togafitia fa'ama'i HPV.