What is a viral wart?

A viral wart is a very common benign lesion caused by infection with human papillomavirus (HPV). Viral warts can be classified by site as being cutaneous or mucosal as the HPV types are quite distinct [see Anogenital wart and Sexually acquired human papillomavirus for further information on mucosal HPV infection]. A cutaneous wart is also called a verruca or papilloma, and warty-looking lesions of any cause may be described as verrucous or papillomatous.

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