Genital Warts (Human Papillomavirus) (cont.)
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HPV infection is caused by a virus. More than 100 types of HPV have been found. Some types cause genital warts and some can lead to cervical cancer. Types 6 and 11 cause most genital warts. Other types such as 16 and 18 are high-risk and can cause abnormal cell changes on the cervix.
How the disease is spread (transmission)
HPV is spread by direct contact.
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