Study on masks vs N95 respirators for health workers spurs concerns

What is mask fit-testing and will it really protect healthcare workers from catching COVID-19? - ABC News

Depleted national stockpile leaves Canada reliant on China for masks, gowns and other supplies during pandemic

Medical Workers Should Use Respirator Masks, Not Surgical Masks - The New York Times

n95 masks - Page 2

St. Louis surgeons create new process for disinfecting and reusing N95 masks

Masks foil lipreading for those with hearing loss; you can help - University of Mississippi Medical Center

No, Fauci didn't say face masks were a 'failure

Multifunctional Carbon Fibers from Chemical Upcycling of Mask Waste

What is the efficacy of standard face masks compared to respirator masks in preventing COVID-type respiratory illnesses in primary care staff? - The Centre for Evidence-Based Medicine

What is mask fit-testing and will it really protect healthcare workers from catching COVID-19? - ABC News