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human papillomavirus 18

(HYOO-mun PA-pih-LOH-muh-VY-rus …)
A type of HPV that is transmitted sexually and causes cancers of the cervix, anus, oropharynx (the middle part of the throat, behind the mouth), vagina, vulva, and penis. A long-lasting infection with human papillomavirus 18 can cause cell changes that, if not treated, may worsen over time and become cancer. Human papillomavirus 18 and HPV 16 are responsible for most HPV-related cancers. Also called HPV 18.
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