Pfizer has announced that its COVID vaccine is working better than experts had expected, Heather Brown reports (3:42).
WCCO Mid-Morning - November 10, 2020
What Does 90% Effective Mean, Exactly?
Credit: CBS 4 WCCO Minnesota
Duration: 03:42s
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Good Question: What Does Pfizer’s 90% Effective COVID Vaccine Mean For Us?
CBS 4 WCCO Minnesota
Drug company Pfizer announced Monday that its vaccine is working better than experts had expected, reports Heather Brown..
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What does the Pfizer vaccine announcement mean for me?
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