Flat warts are caused by direct contact with the HPV virus and are highly contagious. The virus that causes warts can be transmitted from person to person, or HPV can be spread from a flat wart on the hand to other parts of the body.

Common warts are rough growths caused by the human papillomavirus (HPV) and are transmitted through direct contact. Most common warts are harmless and will disappear on their own after a while. But what should a person with warts do if they are uncomfortable or unsightly?