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Study: Previous COVID-19 Infection Prevents Delta Better Than Pfizer Shot

Study: Previous COVID-19 Infection Prevents Delta Better Than Pfizer Shot

By Art Moore WND News Center Air Force Master Sgt. Maily Groeschel, right, a care flight chief with the 23rd Medical Group beneficiary, administers a COVID-19 vaccine to Air Force Staff Sgt. Austin Kennedy, 75th Aircraft Maintenance Unit dedicated crew chief, at Moody Air Force Base, Georgia, Aug. 17, 2021. (U.S. Air Force photo by Airman 1st […]