Vaccines against the HPV virus are already used to prevent cervical and anal cancer. Harry Cabluck/AP hide caption toggle caption Harry Cabluck/AP Shots - Health News HPV Vaccination Might Help Reduce Risk Of Throat Cancers July 19, 2013 One study finds that women who have been vaccinated against HPV are much less likely to have throat infections with the virus. Since the vaccine helps reduce risk of some cancers, scientists think it might turn out to be effective against throat cancers, too.