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Prevention could soon be a possibility as well. The people with oral cancers containing the HPV16 strain were three times as likely to report having had oral sex as those whose tumour did not contain HPV This study provides the strongest evidence yet that this is the case. Patients with mouth cancer were also three times as likely to have antibodies against HPV as the healthy controls. At any one time, around a third of year-old women in the US are infected. Trending Latest Video Free. For cancers of the back of the mouth, the link was even stronger. Several research groups are developing vaccines against HPV, intended to reduce the , deaths worldwide each year due to cervical cancer. But even this does not explain why so few develop cancer.

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