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You're Getting Used to Masks. Will You Wear a Face Shield? - The New York Times
View of Effectiveness of manufactured surgical masks, respirators, and home-made masks in prevention of respiratory infection due to airborne microorganisms | The Southwest Respiratory and Critical Care Chronicles
Wearing a mask has become politicized. Science says it shouldn't be.
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Disposable masks could be used to make more durable concrete – WSU Insider
Simple instructions on how to use a face mask – Africa CDC
When and how to use masks
12 Best COVID-19 Face Masks During Coronavirus, 2021 | The Strategist
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Medical Workers Should Use Respirator Masks, Not Surgical Masks - The New York Times
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Masks are everywhere in Asia, but have they helped?
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