(July 30 18:21) Mashable.com
Researchers filmed the droplets produced when people talk, sneeze, and cough. Masks blocked a significant amount of droplets from escaping into the air.
The results, recently published in the medical journal Thorax, underscore the critical importance of wearing masks amid a newly emerged pathogenic virus that spreads mostly by airborne transmission between people. Read more...More about Masks, Sneeze, Cough, Droplets, and Covid 19
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