Coronavirus face masks: Study shows multi-layer masks work better - CBS News
Now Is the Time to Upgrade Your Mask
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
How to buy face masks with filters, according to medical experts
Bacterial and fungal isolation from face masks under the COVID-19 pandemic | Scientific Reports
Get the Most Out of Masking
Comparison of Mask Ratings, Standards, and Filtration Effectiveness – Smart Air
Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021 | MMWR
Microstructure analysis and image-based modelling of face masks for COVID-19 virus protection | Communications Materials
Face Mask Effectiveness - Henry J. Austin Health Center
Frontiers | Cotton and Surgical Face Masks in Community Settings: Bacterial Contamination and Face Mask Hygiene
Protective Face Masks: Current Status and Future Trends | ACS Applied Materials & Interfaces
Updated masking guidance: What you need to know | PeaceHealth
Efficacy of masks and face coverings in controlling outward aerosol particle emission from expiratory activities | Scientific Reports
Should you wear a face mask to protect against coronavirus? - CBS News
Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021 | MMWR
Amazon.com: Wecolor 100 Pcs Disposable 3 Ply Earloop Face Masks, Suitable for Home, School, Office and Outdoors (Gray) : Industrial & Scientific
Which Masks Are Most Effective and Why?
EPA Researchers Test Effectiveness of Face Masks, Disinfection Methods Against COVID-19 | US EPA
Last-resort strategies during mask shortages: optimal design features of cloth masks and decontamination of disposable masks during the COVID-19 pandemic | BMJ Open Respiratory Research
EPA Researchers Test Effectiveness of Face Masks, Disinfection Methods Against COVID-19 | US EPA
Types of Respirator Masks - The Home Depot
Effect of Double Masking with Silk or Cotton Over-masks on the Source Control Capabilities of a Surgical Mask - Aerosol and Air Quality Research
Surgeon General Urges the Public to Stop Buying Face Masks - The New York Times
LAC | DPH | Wear a Mask to protect yourself from COVID-19
Infographic: Using face masks in the community
