common wart verruca vulgaris a flat wart commonly found on the hand of children and adults. they are caused by a type of

acid biology body caucasian child clinic common cryotherapy dermatological dermatologist dermatology dermotology disease finger fingers hand health hospital hpv human hygiene immune infected infection infectious macro medical medicine molecular nitrogen papilloma papillomavirus patient pimple problem salicylic skin spread system treatment verruca viral virus vulgaris wart white young