Story perspectives
HPV Vaccination Achieves Herd Immunity, Cuts Infections Dramatically
10/1/2025
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Story summary
- Researchers at Albert Einstein College of Medicine found HPV vaccination creates herd immunity, protecting vaccinated and unvaccinated women.
- From 2006 to 2023, the study analyzed over 2,300 young women in Cincinnati, USA.
- Vaccination rates rose from 0% to 82%, with infections declining 98.4% (2-valent), 94.2% (4-valent), and 75.7% (9-valent).
- Unvaccinated women also saw infection reductions: 71.6% (2-valent) and 75.8% (4-valent).
