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Pfizer Coronavirus Vaccine Could Be 90% Effective, Signaling Possible Emergency Approval This Year | The Weather Channel
November 13, 2020Updated: November 13, 2020, 3:36 pm ESTPublished: November 13, 2020, 3:36 pm EST

Pfizer’s coronavirus vaccine could be as high as 90% effective, according to preliminary findings looked at by an independent data monitoring board.

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