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Articles on Vaccines

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A lab technician holds a vial of a COVID-19 vaccine candidate during testing at the Chula Vaccine Research Center, run by Chulalongkorn University in Bangkok, Thailand on May 25, 2020. (AP Photo/Sakchai Lalit)

Explainer: How clinical trials test COVID-19 vaccines

Will a vaccine for COVID-19 be safe? Animal testing, human clinical trials and post-approval surveillance give us good grounds to believe that a future approved vaccine will work and be safe.
Production limits mean that not everyone can get access to a COVID-19 vaccine as soon as it’s developed.. GIPhotoStock/Cultura via Getty Images

Video: Who should get a COVID-19 vaccine first?

A bioethicist explains a recent report that recommends how to distribute a COVID-19 vaccine equitably.

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