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How to Double Mask Correctly - The New York Times
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Study Indicates That Humidity in Breath Makes Cotton Masks More Effective at Slowing the Spread of COVID-19 | NIST
Aerosol Filtration Testing of Fabrics for Development of Reusable Face Masks - Aerosol and Air Quality Research
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7 silk face masks that are good for your skin and for staying safe
Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology
COVID-19 and masks: Tips for families | UNICEF
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See-Through Face Masks In High Demand As Pandemic Surges : Shots - Health News : NPR
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A User's Guide to Face Masks - The New York Times
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Microstructure analysis and image-based modelling of face masks for COVID-19 virus protection | Communications Materials
Masks Under the Microscope | NIST
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The right (and wrong) way to wear a mask | CNN
Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021 | MMWR
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Quantitative Method for Comparative Assessment of Particle Removal Efficiency of Fabric Masks as Alternatives to Standard Surgical Masks for PPE - ScienceDirect
Testing whether uncertified N95 masks are effective | MIT News | Massachusetts Institute of Technology
Transparent Face Mask | Future of Surgical Face Masks