Effectiveness of Face Mask or Respirator Use in Indoor Public

This report describes face mask or respirator effectiveness in helping protect against COVID-19 infection.

Filtration Performance of Layering Masks and Face Coverings and the Reusability of Cotton Masks after Repeated Washing and Drying - Aerosol and Air Quality Research

Last-resort strategies during mask shortages: optimal design features of cloth masks and decontamination of disposable masks during the COVID-19 pandemic

Masks and Covid-19: Your top questions about N95s and KN95s, answered

N95 respirator and surgical mask effectiveness against respiratory viral illnesses in the healthcare setting: A systematic review and meta‐analysis - Collins - 2021 - Journal of the American College of Emergency Physicians

COMMENTARY: Wear a respirator, not a cloth or surgical mask, to protect against respiratory viruses

N95 Respirator Masks FAQs

COMMENTARY: Wear a respirator, not a cloth or surgical mask, to protect against respiratory viruses

Bacterial and fungal isolation from face masks under the COVID-19 pandemic

Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021

NIOSH Approved N95 Mask Particulate Respirators, Pack of 20 N95 Face Masks, Individually Wrapped, Universal Fit : Tools & Home Improvement

Wearing time and respiratory volume affect the filtration efficiency of masks against aerosols at different sizes - ScienceDirect

Evidence Shows Masks Really Do Reduce the Spread of COVID-19 and Lower Infection Risk

On the durability of surgical masks after simulated handling and wear

NIOSH-Approved Face Masks for Wildfire Smoke

Addressing COVID-19 Spread: Development of Reliable Testing System for Mask Reuse - Aerosol and Air Quality Research