HPV vaccine benefits women who don't get it: A new study of HPV prevalence and vaccination suggests that incidence of HPV is declining even for unvaccinated women because the risk of contracting it is going down. The vaccine cuts the risk of several cancers.

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HPV vaccine benefits women who don't get it: A new study of HPV prevalence and vaccination suggests that incidence of HPV is declining even for unvaccinated women because the risk of contracting it is going down. The vaccine cuts the risk of several cancers.