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long term

The long view on COVID-19 vaccine safety and efficacy

18 mins read

University of Pennsylvania researchers weigh in on the regulatory and scientific efforts to track COVID-19 vaccines. 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 symptomatic disease, with real-world data bearing out that success.…

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The long view on COVID-19 vaccine safety and efficacy

18 mins read

University of Pennsylvania researchers weigh in on the regulatory and scientific efforts to track COVID-19 vaccines. 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 symptomatic disease, with real-world data bearing…