Who is affected by human papillomavirus (HPV) infection

Human papillomavirus (HPV) infection, which causes genital warts, is the most common sexually transmitted disease (STD) caused by a virus.

  • In the United States, it is estimated that about 15% of people between the ages 15 to 49 have HPV.1
  • HPV infection is one of the most common sexually transmitted diseases in the United States and occurs in about 40% of sexually active females.2
  • It is estimated that about 40% of sexually active adolescent girls are infected with HPV at some time. Most girls have no symptoms.2
  • About 40% of women with HPV will develop abnormal pap tests.2


  1. U.S. Department of Health and Human Services (2007). Human Papillomavirus: HPV information for Clinicians. Available online: http://www.cdc.gov/std/hpv/hpv-clinicians-brochure.htm.
  2. American Academy of Pediatrics (2006). Human papillomavirus. In LK Pickering et al., eds., Red Book: 2006 Report of the Committee on Infectious Diseases, 27th ed., pp. 473–477. Elk Grove Village, IL: American Academy of Pediatrics.

Last Updated: July 2, 2008

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