The researchers noted that airborne transmission by respiratory aerosol droplets produced during coughing and sneezing is the dominant mode of spreading for infectious diseases such as COVID-19.
from N95 masks may be most effective at stopping COVID-19 spread, say researchers https://ift.tt/34CHczH
https://ift.tt/eA8V8J
from N95 masks may be most effective at stopping COVID-19 spread, say researchers https://ift.tt/34CHczH
https://ift.tt/eA8V8J
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