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Articles on MMR vaccine

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Experts estimate that close to 90% of the U.S. population must be vaccinated to reach herd immunity for COVID-19. David McNew/AFP via Getty Images

What is herd immunity? A public health expert and a medical laboratory scientist explain

Vaccination campaigns like the ones that eventually eliminated polio and measles in the United States required decades of education and awareness in order to achieve herd immunity in the U.S. population.
Studying trends in public adverse event reporting could help researchers address vaccine hesitancy and misinformation. Pict Rider/iStock via Getty Images Plus

Unverified reports of vaccine side effects in VAERS aren’t the smoking guns portrayed by right-wing media outlets – they can offer insight into vaccine hesitancy

Anti-vaccine activists are using the side effect reporting system to spread fear and misinformation about the COVID-19 vaccines. But the database could also be used as a gauge for public concerns.
A high school student gets his COVID-19 shot at a pop-up vaccine clinic at a public charter school in Los Angeles. Al Seib / Los Angeles Times via Getty Images

Shutting down school vaccine clinics doesn’t protect minors – it hurts people who are already disadvantaged

For decades, US schools have been common sites for vaccine clinics to respond to outbreaks and provide catch-up immunizations. So why are they suddenly controversial?

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