FILE - Staff Sgt. Travis Snyder, left, receives the first dose of the Pfizer COVID-19 vaccine given at Madigan Army Medical Center at Joint Base Lewis-McChord in Washington state, Dec. 16, 2020, south of Seattle. (AP Photo/Ted S. Warren, File)
FILE - A healthcare worker fills a syringe with the Pfizer COVID-19 vaccine at Jackson Memorial Hospital on Oct. 5, 2021, in Miami. (AP Photo/Lynne Sladky, File)
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FILE - Staff Sgt. Travis Snyder, left, receives the first dose of the Pfizer COVID-19 vaccine given at Madigan Army Medical Center at Joint Base Lewis-McChord in Washington state, Dec. 16, 2020, south of Seattle. (AP Photo/Ted S. Warren, File)
