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Vaccine News

Single Dose of HPV Vaccine Yields Long-Term Protection from Many Cancer-Causing Types

More than a decade after vaccination, women who had received a single dose of human papillomavirus (HPV) vaccine continued to be protected against cervical infection with the two cancer-causing HPV types targeted by the vaccine, HPV16 and 18. The new findings are from an extended follow-up of the NCI-sponsored Costa Rica HPV Vaccine Trial.