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How many types of the human papillomavirus (HPV) can cause cervical cancer?

Human Papillomavirus, or HPV, is a common sexually transmitted disease. The infection caused by the virus is responsible for two illnesses: genital warts, and various types of cancer, including cervical cancer.


There are over 120 strains of Human Papillomavirus. All of these strains are similar: they are all sexually transmitted and cause genital infection. Strains that cause genital warts but not cancer are considered low-risk, while strains that cause cervical cancer are considered high-risk. Certain strains are more likely to cause infections that lead to cervical cancer.


The HPV strains linked to cervical cancer are HPV 16 and HPV 18. These two strains are responsible for 70% of cervical cancer caused by HPV infections. At this time, these two strains are the known HPV strains that cause cervical cancer, but medical research may reveal others in the future.

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