A study of more than 1,000 health care workers was unable to establish whether medical masks are significantly less effective at preventing COVID-19 infection than N95 respirators in hospital settings ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Regular medical masks might provide protection similar to that of N95 respirators in preventing ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. STAMFORD, CONNECTICUT - APRIL 24: (EDITORIAL USE ONLY) A nurse wearing an N95 mask adjusts ...

Early in the pandemic, mask-wearing policies were consistently associated with decreased transmission of SARS-CoV-2. At that time, the masks worn were generally made of cloth and often improvised. The ...

In a recent article published in ACP Journals, researchers determined whether medical (surgical) masks were non-inferior to N95 respirators in preventing a severe acute respiratory syndrome ...

Masks are back — at least at some healthcare facilities. Should yours do the same? A winter wave of COVID-19 and flu wave prompted some hospitals to reinstate mask mandates for patients, staff, and ...

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...

Bioaerosols refer to biological air pollutants, including both living and non-living particles that have an aerodynamic diameter of less than 100 µm. Due to their small size, they can enter the ...