Scientists at Florida Atlantic University are experimenting with different non-medical masks to find the most effective face covering to help stop the spread of COVID-19.
They “delivered” a sneeze or cough from a mannequin head wearing varying face coverings, and used lasers to detect respiratory droplets.
Their results showed that droplets from an uncovered cough were able to travel more than 8 feet.
Droplets from a bandana-covered cough traveled three feet.
With a folded cotton handkerchief, droplets traveled a feet and three inches.
And with the cone-style masks, they traveled about 8 inches.
Stitched-quilting fabric masks were the most effective, with droplets traveling 2.5 inches.
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