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Unusual Scientific Discovery
A study summarizing the benefits of the human papillomavirus (HPV) vaccine concluded that it reduces the risk of head and neck cancers in men by approximately 70%. Analyzing data from about 1.4 million people in the United States, of whom more than 700,000 received the vaccine, showed 40 cases of head and neck cancers among the vaccinated compared to 130 cases among the unvaccinated. The virus, which is often transmitted sexually, is linked to oral pharyngeal cancer, and men account for about 85% of the approximately 16,000 annual new cases. The results confirm the broad benefits of vaccination in preventing the types of cancers caused by the virus.
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