Final answer:
Verruca is a name given to a variety of warts, which are caused by human papillomavirus (HPV) infections. There are different types of warts, such as common warts, plantar warts, filiform warts, and genital warts.
Step-by-step explanation:
Verruca is a name given to a variety of warts. Warts are skin growths caused by human papillomavirus (HPV) infections. There are many types of warts, such as common warts, plantar warts, filiform warts, and genital warts, which are sexually-transmitted. Vaccination is available for some strains of HPV.