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.
from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2020/10/201020111329.htm
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