Listening to the St John Passion. Remembering the performance on 8th March 2020 that infected 102 and left 4 dead. This is when we should have acknowledged that the virus is airborne and acted fast. Instead, we spent a year denying it. Black swan, ignored.https://www.theguardian.com/world/2020/may/17/did-singing-together-spread-coronavirus-to-four-choirs …
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I always shake my head when a basketball coach pulls down his mask to shout instructions to his players. The most important time to wear a mask is when he is shouting!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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The highlighted passage omits units, comparing "speaking" to a single cough. I chased down one of their citations:
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Louden & Roberts (1967): "From the point of view of numbers of droplets produced, one cough was the equivalent of about 30 seconds of loud talking. From the point of view of droplet nuclei, one cough was the equivalent of about five minutes of loud talking."
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