文档介绍：Rev 06/07/10 HUMAN PAPILLOMAVIRUS What is Human Papillomavirus (HPV)? HPV mon virus. In 2005, the Centers for Disease Control and Prevention (CDC) estimated that 20 million people in the United States had this virus. There are many different types of HPV; some cause no harm. Others can cause diseases of the genital area. For most people the virus goes away on its own. When the virus does not go away it can develop into cervical cancer, precancerous lesions, or genital warts, depending on the HPV type. _________________________________________ Who isat risk for Human Papillomavirus? In 2005, the CDC estimated that at least 50% of sexually active people catch HPV during their lifetime. A male or female of any age who takes part in any kind of sexual activity that involves genital contact is at risk. Many people who have HPV may not show any signs or symptoms. This means that they can pass on the virus to others and not know it. _________________________________________ What are cervical cancer, precancerous lesions, and genital warts? Cancer of the cervix isa serious disease that can be life- threatening. This disease is caused by certain HPV types that can cause the cells in the lining of the cervix to change from normal to precancerous lesions. If these are not treated, they can turn cancerous. Genital warts are caused by certain types of HPV. They often appear as skin-colored