
By BY CARL ZIMMER, BENJAMIN MUELLER AND CHRIS BUCKLEY from NYT Health A new review of early Covid-19 cases in the journal Science will revive, though certainly not settle, the debate over how the pandemic began. https://ift.tt/3x3SiKy

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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