Umuntu witwa Papillomavirus (HPV) ni uw'umuryango wa Papillomaviridae wa molekile ntoya, idafunze, izengurutswe na virusi ya ADN ebyiri, ifite genome ifite uburebure bwa 8000 (bp).HPV yanduza abantu binyuze mu buryo butaziguye cyangwa butaziguye ibintu byanduye cyangwa kwanduza igitsina.Virusi ntabwo yihariye gusa, ahubwo ni na tissue yihariye, kandi irashobora kwanduza gusa uruhu rwabantu hamwe na selile epithelial selile, bigatera papilloma zitandukanye cyangwa ibisebe bitandukanye muruhu rwabantu kandi byangiza cyane epitelium yimyororokere.
Igikoresho gikwiranye na vitro yujuje ubuziranenge bwo kwandika ubwoko 14 bwa papillomavirus (HPV16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66, 68) acide nucleic muri ingero z'inkari z'umuntu, ingero z'abagore b'inkondo y'umura, hamwe n'igitsina gore.Irashobora gutanga gusa uburyo bwo gufasha mugupima no kuvura indwara ya HPV.