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human papillomavirus vaccine (HPV) provides a benefit to women even if they are not vaccinated, via a phenomenon known as "herd immunity," a new study suggests.Among the women in the study, there was a decrease in the percentage who were infected with the four HPV strains included in the vaccine (HPV 6, 11, 16, and 18) in the years after the vaccine was introduced, compared with earlier years.This...
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