Study: The most and least effective face masks to use during the pandemic. (via CNBCMakeIt)
While wearing awhen you're outside the home is one of the best things you can do to stay safe, not all masks are as good at filtering out potentially harmful particles like coronavirus.offered very little protection, while N95 respirators, surgical masks and even homemade cloth masks performed better.
The researchers tested a total of 14 common face coverings, then analyzed the video frame by frame using a computer algorithm that counts the number of particles visible. Participants said the phrase "Stay healthy, people" five times into the laser, a total of 10 times for each mask.
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