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 ile mimi tane/fa'afafine ma sela fa'amama fa'aa'au fafine ma HPV 16/18 ta'i.