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Harvard Medical School
HPV vaccine doesn't make teen girls engage in risky sexual behavior, study shows
HPV vaccine doesn't make teen girls engage in risky sexual behavior, study shows

Girls who got vaccinated against HPV were more likely than their unvaccinated peers to become infected with a sexually transmitted disease, but the vaccine was definitely not to blame for their risky sexual behavior, according to a new study of more than 200,000 American teens. Even for girls who didn’t get the HPV vaccine, the risk of being diagnosed with a sexually transmitted infection increased with age, the study authors found. By comparing the changes in infection rates for both groups of girls, the researchers were able to isolate the effect of the vaccine – and they found that it was nonexistent. “We found no evidence that HPV vaccination leads to higher rates...

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