hpv definition and symptoms
Definition of Human Papillomavirus (HPV) Human Papillomavirus, or HPV, encompasses a group of over 150 virus types. Many HPV strains are symptomless, while some strains cause genital warts, and a few can lead to cervical cancer. HPV is the most common sexually transmitted diseases; there are over 3 million cases in the United States each year.
An HPV infection is caused by human papillomavirus, a DNA virus from the papillomavirus family, of which over 170 types are known. More than 40 types are transmitted through sexual contact and infect the anus and genitals.