Also this is another example for the importance of masks for source control (asymptomatic spread plus droplets). Many still don't understand this crucial distinction: masks to *prevent* transmission. (Working on article right now!)https://twitter.com/zeynep/status/1251171855286906880 …
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Shortly after I get off the local mountain biking trails (good for sanity, that was yesterday) and off Twitter (sanity comment superfluous.
)https://twitter.com/gayfetus/status/1251565732581834754 …Show this thread
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None of the staff infected by what measure?
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More than 15 minutes at less than 2 metres is what we were operating to before official lockdown on 23rd March
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I really wish the 15 min got more attention.
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This research design is amazing
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Shoe-leather epidemiology! It beats a bit simulations with slick computer-generated visuals.
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Could that have something to do with the staff standing upright the whole time, so the droplets fell down before reaching their face?
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Not denying droplet-borne/air spread there, but... Does not appear staff were ever identified as "close contacts" and tested. Staff could have been a transmission vector. What about people who sat at those tables later that day because that surface had to have large viral load.pic.twitter.com/87LdURMlUn
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Staff were not infected, it says so in the study. Thus they were tested.
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