New on the MedlinePlus HPV page:
08/23/2018 02:26 PM EDT
Source: National Library of Medicine - 
MEDICAL ENCYCLOPEDIA
National Institutes of Health
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NIH MedlinePlus Magazine
Human papillomaviruses (HPV) are a group of related viruses. They can cause warts on different parts of your body. There are more than 200 types. About 40 of those types affect the genitals. They are spread through sexual contact with an infected partner. Some of those can put you at risk for cancer.
There are two categories of sexually-transmitted HPV. Low-risk HPV can cause genital warts. High-risk HPV can cause various cancers:
- Cervical cancer
- Anal cancer
- Some types of oral and throat cancer
- Vulvar cancer
- Vaginal cancer
- Penile cancer
HPV infections are the most common sexually transmitted infections in the United States. Anyone who has ever been sexually active can get HPV, but you are more likely to get it if you have had many sex partners or have had sex with someone who has had many partners. Because it is so common, most people get HPV infections shortly after becoming sexually active for the first time.
Some people develop genital warts from HPV infection, but others have no symptoms. Most high-risk HPV infections go away within 1 to 2 years and do not cause cancer. Some HPV infections, however, can persist for many years. Those infections can lead to cell changes that, if not treated, may become cancerous.
In women, Pap tests can detect changes in the cervix that might lead to cancer. Pap tests, along with HPV tests, are used in cervical cancer screening.
Correct usage of latex condoms greatly reduces, but does not completely eliminate, the risk of catching or spreading HPV. The most reliable way to avoid infection is to not have anal, vaginal, or oral sex. Vaccines can protect against several types of HPV, including some that can cause cancer.
NIH: National Cancer Institute
- HPV (Human Papillomavirus)
(Food and Drug Administration)Also in Spanish - Human Papillomavirus (HPV) (American Academy of Pediatrics)
- Human Papillomavirus (HPV) Vaccines
(National Cancer Institute)Also in Spanish
- Human Papillomavirus (HPV) Signs and Symptoms (Centers for Disease Control and Prevention)
- HPV and HPV Testing (American Cancer Society)Also in Spanish
- Human Papillomavirus (HPV) Screening (Centers for Disease Control and Prevention)
Human Papillomavirus (HPV) Test (National Library of Medicine)Also in Spanish
- HPV Cancer Prevention
(Centers for Disease Control and Prevention) - PDF - HPV Vaccine - Gardasil: What You Need to Know (Centers for Disease Control and Prevention) - PDF
- HPV Vaccine - Questions and Answers (Centers for Disease Control and Prevention)
- HPV Vaccine Information for Young Women (Centers for Disease Control and Prevention)Also in Spanish
- Understanding Cervical Changes: A Health Guide for Women (National Cancer Institute)Also in Spanish
- Frequently Asked Questions about HPV Vaccine Safety (Centers for Disease Control and Prevention)
- HPV and Cancer (National Cancer Institute)Also in Spanish
- HPV and Cancer (Centers for Disease Control and Prevention)
- Human Papillomavirus (HPV) and Oropharyngeal Cancer (Centers for Disease Control and Prevention)Also in Spanish
- Recurrent Respiratory Papillomatosis or Laryngeal Papillomatosis (National Institute on Deafness and Other Communication Disorders)Also in Spanish
- One Family's Struggles with HPV (Human Papillomavirus)
(Parents of Kids with Infectious Diseases)
- 2016 Sexually Transmitted Diseases Surveillance, Other Sexually Transmitted Diseases(Centers for Disease Control and Prevention)
- How Many Cancers Are Linked with HPV Each Year? (Centers for Disease Control and Prevention)Also in Spanish
- HPV Vaccine: Access and Use in the U.S. (Henry J. Kaiser Family Foundation)
- HPV-Associated Cancers Statistics (Centers for Disease Control and Prevention)Also in Spanish
- ClinicalTrials.gov: Papillomavirus Infections (National Institutes of Health)
- ClinicalTrials.gov: Papillomavirus Vaccines (National Institutes of Health)
- HPV Vaccine (Nemours Foundation)Also in Spanish
- HPV and Men (Centers for Disease Control and Prevention)Also in Spanish
- HPV Vaccine and Pregnancy (Organization of Teratology Information Specialists) - PDFAlso in Spanish
- Cervical cancer -- screening and prevention (Medical Encyclopedia)Also in Spanish
- Condom Fact Sheet in Brief (Centers for Disease Control and Prevention) - PDFAlso in Spanish
- HPV and Cancer (Centers for Disease Control and Prevention) - PDF
- HPV DNA test (Medical Encyclopedia)Also in Spanish
- HPV vaccine (Medical Encyclopedia)Also in Spanish
- HPV Vaccine - Gardasil: What You Need to Know (Centers for Disease Control and Prevention) - PDF
- Pap and HPV Testing (National Cancer Institute)Also in Spanish
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