How many types of Human papillomaviruses (HPV) are there?

 Dr. Diane Harper
Health Education

There are about 140 different types of HPV. The families are tissue specific. For example, HPV 2 and 4 cause warts on the hands and feet. HPV 7 causes hand warts that are most often seen in butchers. HPV 16, on the other hand, causes most of the HPV associated cancers. 

If you have a wart on your hand, and you touch your genitals, you will not get a genital wart, as the HPV types that cause genital warts are mostly HPV 6 and 11, not the HPV 2 and 4 from hand or feet warts.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.