For months, scientists have been saying masks reduce transmission of COVID-19. They now think masks can also make the illness less severe. The reason is the barrier created by a mask likely limits the ...

We're basically used to wearing face coverings while out and about at this point, and you may have noticed that several masks have a small slot to place a filter for extra protection. Adding a filter ...

Editor’s note: As we will report below, experts agree that face masks with filters — and without — do not replace or relieve the need to wash your hands and practice safe social distancing, and they ...

So you want to wear a face mask? Good call. A growing body of evidence supports the idea that wearing face masks in public, even when you feel well, can help curb the spread of the coronavirus — since ...