Pfizer Says COVID Shot 85% Effective After 1 Dose; May Not Require Deep Freeze, , on February 23, 2021 at 7:00 am

Title: Pfizer Says COVID Shot 85% Effective After 1 Dose; May Not Require Deep FreezeCategory: Health NewsCreated: 2/19/2021 12:00:00 AMLast Editorial Review: 2/22/2021 12:00:00 AM, , Read More, MedicineNet Daily News,

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