EPFL's first see-through surgical masks go into production
The Communicator™ Surgical Face Masks with Clear Window (Level 1) - Safe'N' Clear, Inc. | The Communicator™ clear face mask
When and how to use masks
Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021 | MMWR
Coronavirus masks: How to clean, sanitize and reuse your mask
Study Indicates That Humidity in Breath Makes Cotton Masks More Effective at Slowing the Spread of COVID-19 | NIST
Amazon.com: Halloween Latex Clown Mask With Hair for Adults,Halloween Costume Party Props Masks (red hair) : Clothing, Shoes & Jewelry
7 silk face masks that are good for your skin and for staying safe
Best Materials for Making DIY Face Masks - Smart Air
Transparent Face Mask | Future of Surgical Face Masks
Read my lips: Transparent COVID face masks to ease the communication barrier in Hong Kong | Euronews
Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology
Protective Face Masks: Current Status and Future Trends | ACS Applied Materials & Interfaces
Black Mesh Fabric Mask Eye Covers Costume Eye Blackout Mesh - Etsy Sweden
COVID-19 and masks: Tips for families | UNICEF
Testing whether uncertified N95 masks are effective | MIT News | Massachusetts Institute of Technology
Microstructure analysis and image-based modelling of face masks for COVID-19 virus protection | Communications Materials
Quantitative Method for Comparative Assessment of Particle Removal Efficiency of Fabric Masks as Alternatives to Standard Surgical Masks for PPE - ScienceDirect
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Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis - The Lancet