
By BY SABRINA IMBLER AND EMILY ANTHES from NYT Health Delta, not Omicron, was the dominant variant in the United States in the week ending Dec. 18, the C.D.C. said. https://ift.tt/32K6zRd
By BY BENJAMIN MUELLER AND JAN HOFFMAN from NYT Health Nationwide, the number of kindergartners with the required shots fell below the targ...
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