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One Dose of HPV Vaccine May Be Enough, Study Finds

Chicago launches a new initiative to up the number of teens who get vaccinated for HPV.

A new study of women in Costa Rica finds that one dose of the HPV vaccine may be enough to create the antibodies needed to prevent infection. If confirmed, this could be good news for people in the United States and abroad.

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This Week in Sex: RIP Virginia Johnson, HPV Rates Stall, and Smoking During Pregnancy Worse Than Thought

Virginia Johnson, half of the pioneering sex research team Masters and Johnson, dies at age 88.

This week, Virginia Johnson, half of the pioneering sex research team Masters and Johnson, died; it was reported that HPV vaccination rates have stalled; and new research said smoking during pregnancy causes behavioral issues in kids.

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