That is the most misunderstood study of all! First, it’s included in our source control review. We wouldn’t ignore it. Second, the lead author of that study that is on the record in this pandemic recommending cloth masks for the community. For good reason! +
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Replying to @zeynep @boriquagato
That study compares cloth masks, barely washed or changed, to standard surgical mask use in healthcare workers and very unsurprisingly finds surgical masks are superior. Of course! That does not at all indicate no masks are safer than cloth masks, let alone in the community. +
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Replying to @zeynep @boriquagato
There is no dispute that surgical masks are safer for healthcare workers. Again lead author of that very study is on the record the whole time underlining how, very obviously, that study does not say no masks are better than cloth masks, or cloth masks are riskier than no masks.
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Replying to @boriquagato
No, no! Control is "regular practice" which is surgical masks. How on earth could they do a study with no masks in a hospital? Control is not no masks. Again, lead author has been recommending cloth masks the whole time. I'll find that for you, too.pic.twitter.com/Mg4lyP4CSr
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Replying to @boriquagato
zeynep tufekci Retweeted zeynep tufekci
She's been very prominent and everywhere. Tons of interviews. See two links here. The control was wearing masks when mask-wearing would be standard. Standard hospital procedure. Control was not no masks.https://twitter.com/zeynep/status/1278807834302570497 …
zeynep tufekci added,
zeynep tufekciVerified account @zeynepReplying to @zeynep @boriquagatohttps://kirby.unsw.edu.au/news/covid-19-how-much-do-social-distancing-and-masks-reduce-risk … and https://www.abc.net.au/radionational/programs/healthreport/coronavirus-face-masks-physical-distancing-reduce-risk/12326902 …. She's been recommending masks, even cloth masks, the whole time, and control arm there is not no masks, and she presumably knows her study best.1 reply 0 retweets 0 likes -
Replying to @zeynep @boriquagato
Sorry to butt in to an interesting conversation between two very smart people. The conclusion on this one is that masks *may* result in an increased risk of infection. Hard to know without maskless participants.pic.twitter.com/RNHNLBhNf3
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Yep, in comparison to standard hospital procedures (surgical masks) yes, obviously cloth masks are worse. That's why we have surgical masks, and around aerosolizing procedures, N95s. The lead author of that study is often described as a "mask-enthusiast" during this pandemic.
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Replying to @zeynep @boriquagato
Thanks Zeynep. But look particularly at the “conclusion” paragraph. Now maybe they have switched since study?
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