NBC News published this video item, entitled “Pfizer Believes Covid Booster Shot May Offer Better Protection” – below is their description.
Pfizer says a third dose of its vaccine could offer Americans 5 to 10 times more protection against Covid-19. It is also developing a version of its vaccine to include the rapidly spreading Delta variant.» Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC
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#Pfizer #Covid #Vaccines
Pfizer Believes Covid Booster Shot May Offer Better Protection
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