Tag Archives: Masks

What Can and Can’t Be Learned From a Doctor in China Who Pioneered Masks

Wu Lien-Teh.Credit…Library of Congress SectionsSkip to contentSkip to site index What Can and Can’t Be Learned From a Doctor in China Who Pioneered Masks 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. Wu Lien-Teh.Credit…Library of Congress… Read More »