Surgical face masks help prevent the spread of airborne pathogens and therefore were ubiquitous during the COVID-19 pandemic. Now, a modified mask could also protect a wearer by detecting health ...
Wearing a surgical face mask in public spaces reduces the risk of self-reported respiratory symptoms, finds a trial of adults in Norway published by The BMJ today. The effect was moderate - a 3.2% ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results