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Mar 27, 2020 · FiIGURE 2. Droplet larger than aerosols, when exhaled (at velocity of <1m/s), evaporate or fall to the ground less than 1.5 m away. When expelled at Could wearing a mask for long periods be detrimental to May 18, 2020 · A man wears a face mask with David Star at the Nachlaot Neighborhood in Jerusalem on April 12, 2020. A full closure on 17 Jerusalem Neighborhoods went Disposable N95 Masks Can Be Decontaminated, Researchers Apr 16, 2020 · A substantial body of research already showed that the masks, designed for one-time use, can be reused in a crisis. that have health care workers wearing N95 masks

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