COMMENTARY: What can masks do? Part 2: What makes for a good mask study — and why most fail

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

COMMENTARY: What can masks do? Part 2: What makes for a good mask

Study measures effectiveness of different face mask materials when coughing

COMMENTARY: What can masks do? Part 1: The science behind COVID-19 protection

When and how to use masks

COVID-19 and mask confusion: Separating myths from realities, COVID

COMMENTARY: What can masks do? Part 2: What makes for a good mask

Common Side Effects of CPAP

Largest study on masks and Covid-19 demonstrates their effectiveness in the real world

COVID-19: CIDRAP Commentaries