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Originally Posted by spiderplant
They were wrong. At the time it was believed that most transmission was via surfaces, but that turned out to be very rare. (IIRC, 1 case in 1000 in a study from Ireland)
Cloth masks do work. Anything that can catch droplets works.
"Masks reduced viral RNA by 48% in fine and by 77% in coarse aerosols; cloth and surgical masks were not significantly different"
https://pubmed.ncbi.nlm.nih.gov/34519774/ |
That does not say they were wrong and is not yet peer reviewed it is a pre-print publication and even states (my bold).
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Therefore, until vaccination rates are very high, continued layered controls and tight-fitting masks and respirators will be necessary.
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Now go find a peer reviewed one.