Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and ...

Smoke that’s been blown southward from hundreds of Canadian wildfires are causing hazardous air-quality conditions. With all the nasty air particles floating around, experts say you should wear a mask ...

Dr. Nuzzo is the director of the Pandemic Center at Brown University School of Public Health. When the coronavirus took off in 2020, the unknowns were immense, as was the urgency. It was clear that ...