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University of Pennsylvania: Long View on COVID-19 Vaccine Safety and Efficacy
July 14, 2021
PHILADELPHIA, Pennsylvania, July 14 (TNSJou) -- The University of Pennsylvania issued the following news on July 13, 2021:

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Penn researchers weigh in on the regulatory and scientific efforts to track COVID-19 vaccines.

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The mRNA vaccines for COVID-19, made by Pfizer/BioNTech and Moderna, are among the most powerful vaccines the world has ever seen. According to clinical trial data, they are more than 94% effective at preventing sympto . . .

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