I can't wait to put an end to this thread.
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The WHO finally "encourages" the public to wear masks. What a tragic waste of time and a needless squandering of medical authority amidst a pandemic. By March, there was enough evidence of presymptomatic and asymptomatic transmission for me to write this. https://twitter.com/WHO/status/1268927569065324547 …pic.twitter.com/2Me0Sj9OlD
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zeynep tufekci Retweeted World Health Organization (WHO)
Also not only is there no evidence for this claim, there is emerging evidence for the opposite, and there is decades of evidence from other safety devices that this concern is not warranted, and if this was a thing, it would also apply to hand-washing.
https://twitter.com/WHO/status/1268927995932225541 …zeynep tufekci added,
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Here's a preprint of a paper (I'm a co-author) where we review the "false sense of security" claim and explain why it doesn't stand to evidence at all, and why, on the contrary, universal masks would be expected to lessen stigma and heighten solidarity. https://www.preprints.org/manuscript/202004.0203/v2 …pic.twitter.com/2tDzvYGNVr
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If some past person had told me I'd spend most of my energy in the first months of a pandemic arguing against CDC and WHO guidelines, that they would drag their feet despite mounting evidence, and that we'd rely on grassroots movements instead, I'd have dismissed them as nuts.
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zeynep tufekci Retweeted Babak Javid
I've been arguing for months that the most likely outcome of masks would be INCREASED adherence to distancing—because that's what social science suggests. That baseless "false sense of security" claim had no evidence for it. Now, experimental confirmation.https://twitter.com/Babak_Javid_Lab/status/1269312406120996864 …
zeynep tufekci added,
Babak Javid @javid_labThis is a cool study! Masks/goggles increase social/physical distancing by OTHERS to wearer: as measured by remote sensing technology! Doesn't tackle the straw man 'masks make wearers more reckless', but suggests even ineffective masks may protect by increasing physical distances https://twitter.com/EricTopol/status/1269308838110302209 …18 replies 246 retweets 738 likesShow this thread -
So Dr. Fauci has just said the public was told not to wear masks because they "were in very short supply." I just want to remind everyone what it was like in March—viral threads telling us not to wear masks. (Not picking on one person here—she was misled like everyone else).pic.twitter.com/SEYKHgmYtI
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Replying to @zeynep
this is really troubling given that the SARS guidance from 2012 was also no masks, though there was no PPE shortage then. that seemed like the most reasonable explanation at the time. where'd he say this?
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Replying to @noUpside
https://www.thestreet.com/video/dr-fauci-masks-changing-directive-coronavirus … Also, here’s another tragedy. The shoe leather epidemiology is pretty indicative: distance isn’t as protective indoors especially if there’s AC/low ventilation. Of course people *should* distance but, the emphasis likely should be the other way around.
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As in, the emphasis should be on masks first and foremost?
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I prefer the bundle of course but he seems to be implying masks are necessary only if you cannot distance, and that’s not my interpretation of the preponderance of evidence for indoors. Masks regardless of distance for indoors seems warranted.
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Completely agree! Especially with airflow issues, lack of circulation, and possible AC currents that go well beyond 6 ft, as described here: https://www.erinbromage.com/post/the-risks-know-them-avoid-them ….
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Replying to @starkness @noUpside
zeynep tufekci Retweeted
I've a whole thread of such studies here though I would characterize the top tweet a little differently now: short-range aerosols seem plausible and highlighting the continuum in droplet size rather than aerosol or not binary more useful in understanding. https://twitter.com/zeynep/status/1251556084424347649 …
zeynep tufekci added,
This Tweet is unavailable.0 replies 0 retweets 8 likes
End of conversation
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