Pfizer: COVID Vaccine 90 Percent Effective

Newsy

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Watch VideoEarly data from drugmaker Pfizer’s late stage COVID-19 vaccine clinical trial shows it worked in about 90% of patients. That’s much higher than the 60 to 70% health experts had predicted.


"Ninety percent is a game-changer. Now we're hoping to have a tool in your war against this pandemic that would be...

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