FILE - Dr. Alan Jones, associate vice chancellor for clinical affairs and COVID-19 clinical response leader, holds a face mask as he answers questions about the spread of the omicron variant during a news briefing at the University of Mississippi Medical Center School of Medicine in Jackson, Miss., Jan. 11, 2022. Officials across the U.S. are again weighing how and whether to impose mask mandates as COVID-19 infections soar and the American public grows weary of pandemic-related restrictions. (AP Photo/Rogelio V. Solis, File)
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