CHICAGO — Shots that protect against cervical cancer do not make girls promiscuous, according to the first study to compare medical records for vaccinated and unvaccinated girls.
The researchers did not ask girls about having sex, but instead looked at ‘‘markers’’ of sexual activity after vaccination against the sexually transmitted human papillomavirus, or HPV. Specifically, they examined up to three years of records on whether girls had sought birth control advice; tests for sexually transmitted diseases or pregnancy; or had become pregnant.

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The fact that this study was necessary is a sad comment on the soulessness of conservative politics.