
By BY CARL ZIMMER, KNVUL SHEIKH AND NOAH WEILAND from NYT Health Scientists are increasingly optimistic that a vaccine can be produced in record time. But getting it manufactured and distributed will pose huge challenges. https://ift.tt/2Ts96bw

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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