Most people were introduced to the idea of wearing face masks when the pandemic started, but doctors and medical professionals have been doing this for their entire professional lives. And, while you ...

"We've found that wearing two loosely fitted masks will not give you the filtration benefit that one, snug-fitting procedure mask will," Sickbert-Bennett said. "And with the current data supporting ...

Feb. 10 (UPI) --Double-masking, or wearing a cloth face covering over a medical procedure mask, increases a person's protection against exposure to COVID-19 virus particles by more than 90%, according ...

Using a custom-built exposure chamber, UNC School of Medicine and EPA scientists tested consumer-grade masks and improvised face coverings to show how effective they can be at protecting individuals ...