
By BY WUDAN YAN from NYT Health Dr. Wu Lien-Teh helped change the course of a plague epidemic in the early 20th century and promoted the use of masks as a public health tool. https://ift.tt/3oHSye5

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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