In this Wednesday, Dec. 16, 2020, file photo, the Pfizer vaccine for COVID-19 is administered at the Arizona Department of Health Services State Laboratory in Phoenix. (AP Photo/Ross D. Franklin, File)
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In this Wednesday, Dec. 16, 2020, file photo, the Pfizer vaccine for COVID-19 is administered at the Arizona Department of Health Services State Laboratory in Phoenix. (AP Photo/Ross D. Franklin, File)
