<prompt> Infection by which of the following agents leads to wart formation-Herpes simplex virusHPVMolluscum contagiousum virusVaricella zoster virus  <response>: Ans. is b i.e., HPV o Human papilloma virus HPV is the causative agent of all type of warts.Type of wartSite of involvementHPV types1. Verruca vulgaris common wartMost common type wart On Hands and fingers2 most common, 4, 272. Verruca Plana Flat wartFace, hands3, 103. Verruca plantaris Palmoplantar wartsPalms soles1,2,4, 57i Superficial palmoplantar wart Mosaic wart 2 most commonii Deep palmoplantar wart Myrmecia wart 1 most common4. Condyloma acuminata anogenital wartGenital, perianal, perineum,Most common - 6,11, low riskOther - 16, 18, 31, 33, 45 High risk5. Laryngeal papillomatosisLarynx, respiratory tract6, 116. Bowenoid papulosisGenitalia167. Epidermodysplasia verruciformisExtensive5, 8 