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The untold origin story of the N95 mask

But [Lien-teh] Wu’s mask won out because in empirical testing, it protected users from bacteria. According to Lynteris, it was also a great design. It could be constructed by hand out of materials that were cheap and in ready supply. Between January and February of 1911, mask production ramped up to unknown numbers. Medical staff wore them, soldiers wore them, and some everyday people wore them, too. Not only did that help thwart the spread of the plague; the masks became a symbol of modern medical science looking an epidemic right in the eye.

普查 局籲上網完成問卷 避免家訪接觸

聯邦人口普查局表示，目前社交媒體等盛傳2020人口普查因新冠肺炎疫情而暫停是不實信息，僅有人口普查員的外勤工作被暫停，上門探訪未回應住戶也將延期 至5月底；該局呼籲民眾盡可能 通過網路完成人口普查，也表示 此次疫情更加凸顯人口普查數據 準確的重要性，未來醫院、診 所、緊急災害儲備等都是根據普 查結果來規畫。