What happens in a vaccine clinical trial? Trials determine if a vaccine meets @US_FDA’s safety and effectiveness standards. All #COVID19 vaccine clin…


What happens in a vaccine clinical trial? Trials determine if a vaccine meets @US_FDA’s safety and effectiveness standards. All #COVID19 vaccine clinical trials are being conducted according to the same rigorous standards before authorization or approval: https://bit.ly/3pE2Go7

Tags: covid-19, pandemic

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