Health
Masks block 99.9% of large Covid-linked droplets: study – Yahoo News Australia
Face masks reduce the risk of spreading large Covid-linked droplets when speaking or coughing by up to 99.9 percent, according to a lab experiment with…
Face masks reduce the risk of spreading large Covid-linked droplets when speaking or coughing by up to 99.9 percent, according to a lab experiment with mechanical mannequins and human subjects, researchers said Wednesday.
A woman standing two metres (yards) from a coughing man without a mask will be exposed to 10,000 times more such droplets than if he were wearing one, even if he is only 50 centimetres away, they reported in the journal Royal Society Open Science.
“There is no more doubt whatsoever…
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