COVID-19: Distancing and masks -- good but not enough

ScienceDaily
Oct 20, 2020, 11:13 am142 pts
Decades-old data is being used to describe the propagation of tiny droplets. Now a fluid dynamics team has developed new models: Masks and distancing are good, but not enough. Even with a mask, infectious droplets can be transmitted over several meters and remain in the air longer than previously thought.

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