Background of the antigen
Human Papilloma virus (HPV) is responsible for the development of type and tissue specific papilloma in the oral cavity and in the larynx. In the skin papilloma virus can cause different types of warts and in the ano-genital region it is associated with condyloma or carcinoma. HPV types 16 and 18 seem to be responsible for the development of some carcinoma like cervical carcinoma.