Why some HPV infections go away and others become cancer

The body's ability to clear an infection by the cancer-causing human papilloma virus may be largely due to unpredictable division patterns in HPV-infected stem cells, rather than the strength of the person's immune response as previously thought. For people infected with the human papilloma virus , the likelihood of clearing the infection and avoiding HPV-related cancer may depend less on the body's disease-fighting arsenal than has been generally assumed.

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