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Vaccine AstraZeneca halted trials after a volunteer developed symptoms

“These trials are put in place to make sure that we have a safe and effective vaccine. Along the way, we will see cases where we have to investigate further … that is why putting a time marker on science does not work. We need to let the science play out,” says Dr. Mati Hlatshwayo Davis, an infectious disease physician at the Washington University School of Medicine.
9 Sep 2020 – 04:40 PM EDT
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