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FILE - People check their rapid COVID-19 test results outside of a testing site on the Lower East Side of Manhattan, on Dec. 21, 2021, in New York. (AP Photo/Brittainy Newman, File)

FILE - People check their rapid COVID-19 test results outside of a testing site on the Lower East Side of Manhattan, on Dec. 21, 2021, in New York. (AP Photo/Brittainy Newman, File)

FILE - Registered nurse Rachel Chamberlin, of Cornish, N.H., right, steps out of an isolation room where where Fred Rutherford, of Claremont, N.H., left, recovers from COVID-19 at Dartmouth-Hitchcock Medical Center, in Lebanon, N.H., Monday, Jan. 3, 2022. (AP Photo/Steven Senne, File)

FILE - Registered nurse Rachel Chamberlin, of Cornish, N.H., right, steps out of an isolation room where where Fred Rutherford, of Claremont, N.H., left, recovers from COVID-19 at Dartmouth-Hitchcock Medical Center, in Lebanon, N.H., Monday, Jan. 3, 2022. (AP Photo/Steven Senne, File)

FILE - Shopping mall workers undergo a COVID-19 swab test during the opening at the Paragon shopping mall in Bangkok, Thailand, Wednesday, Sept. 1, 2021. (AP Photo/Sakchai Lalit, File)

FILE - Shopping mall workers undergo a COVID-19 swab test during the opening at the Paragon shopping mall in Bangkok, Thailand, Wednesday, Sept. 1, 2021. (AP Photo/Sakchai Lalit, File)

FILE - An elderly patient receives an intravenous drip while using a ventilator in the hallway of the emergency ward in Beijing, Thursday, Jan. 5, 2023. (AP Photo/Andy Wong, File)

FILE - An elderly patient receives an intravenous drip while using a ventilator in the hallway of the emergency ward in Beijing, Thursday, Jan. 5, 2023. (AP Photo/Andy Wong, File)