Also important, by @DKThomp. Some activities are worse than others: talking, singing, huffing and puffing. We should learn from countries that have guidelines for indoors (library rules: keep it low!)https://www.theatlantic.com/ideas/archive/2020/08/wear-your-mask-and-stop-talking/615796/ …
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Consequences of lack of proper guidance on ventilation. This restaurant has blocked *outdoor tables* with plants as per NC guidance, but has reduced seating inside. Everyone should be outside! These tables are far enough.(Place is otherwise well-organized; staff all masked etc.)pic.twitter.com/sG4JRekJQq
5 replies 37 retweets 245 likesShow this thread -
zeynep tufekci Retweeted Adam Hamdy
CDC? WHO? We still don’t have ventilation integrated into our guidelines. People are being told to wash their hands, but not open their windows. It’s September 2020.https://twitter.com/adamhamdy/status/1304120806943928329 …
zeynep tufekci added,
1:33Adam Hamdy @adamhamdyDr Anthony Fauci explains scientists have got it wrong for many years, that aerosolised particles can linger in the air much longer than previously thought, and singing and speaking play a significant role in transmission. How long will it take the UK government to catch up? pic.twitter.com/L8b6AvwD0AShow this thread13 replies 186 retweets 491 likesShow this thread -
UPDATE! CDC has *finally* explicitly acknowledged the role of aerosols, airborne transmission and the importance of ventilation for COVID. Now urgently waiting for specific guidelines. (Japan had them since February!) Woot! (Hopefully, WHO soon as well). https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/how-covid-spreads.html …pic.twitter.com/btHcplh34w
20 replies 411 retweets 859 likesShow this thread -
zeynep tufekci Retweeted Prof. Jose-Luis Jimenez
Weekend update, CDC has finally explicitly acknowledged airborne transmission, and is now highlighting the importance of inhalation as a route, and thus ventilation as mitigation. See thread for interesting science history of how key measures got mangled.https://twitter.com/jljcolorado/status/1307920120203759616 …
zeynep tufekci added,
4 replies 81 retweets 155 likesShow this thread -
zeynep tufekci Retweeted Jessica Bassett
Some experts on here say this isn't a major update. I totally disagree. The experts may have already been in the know. General public? Businesses? Schools? Still a lot of bleaching surfaces while not even opening windows. Finally, the science is reflected.https://twitter.com/jessica_bassett/status/1308022681732886529 …
zeynep tufekci added,
Jessica Bassett @jessica_bassettReplying to @jessica_bassett @zeynep and 3 othersMy child's superintendent is great, but follows official guidance to the letter, especially given pressure from both pro- & anti-mask voices. CDC updates should force state/local DOH updates, with a real impact on situations that individuals cannot control, eg. schools, offices. pic.twitter.com/tpy8PL3C4T12 replies 79 retweets 217 likesShow this thread -
zeynep tufekci Retweeted Dave 🌵 🚴♀️ 🎸
Yes. Updated CDC guidelines acknowledging airborne transmission and inhalation as key route have *huge* implications for both masking guidelines & indoor behavior—before we even get to additional ventilation mitigation. Details is in my article upthread.https://twitter.com/HikerDave57/status/1308025529472151554 …
zeynep tufekci added,
Dave 🌵 🚴♀️ 🎸 @HikerDave57Replying to @jessica_bassett @zeynep and 3 othersOur office return to work plan allows people to unmask in offices and cubicles and uses half the checkerboard of cubicles to keep that magical six feet distance but still two to an office and still no plan to run air handlers full time or change to MERV-13 or add HEPA.9 replies 33 retweets 125 likesShow this thread -
zeynep tufekci Retweeted Makati Tiger
Fits very well actually. Known transmissions are surprisingly rare & are usually from the pre-masking era. Need better data but no huge outbreaks. Airplanes change air aggressively AND have HEPA filters. So they aren't like bars *despite* crowded indoors.https://twitter.com/MakatiTiger/status/1308035014249132032 …
zeynep tufekci added,
6 replies 24 retweets 161 likesShow this thread -
zeynep tufekci Retweeted Joseph Allen
Seems CDC has removed airborne update for now but it looks like they accidentally posted a draft. Okay. The wording could be a bit clearer anyway.
Let's wait for the (hopefully quick) update, as trust is key to public health. It's already late!https://twitter.com/j_g_allen/status/1308086726179643394 …zeynep tufekci added,
Joseph Allen @j_g_allenI agree that it would be great to believe this is honest mistake. And also, like@juliettekayyem, have my antenna up on this one. CDC now saying the guidelines were removed late this morning because “that does not reflect our current state of knowledge" https://www.washingtonpost.com/nation/2020/09/21/cdc-covid-aerosols-airborne-guidelines/ … https://twitter.com/juliettekayyem/status/1308077183164973063 …11 replies 19 retweets 107 likesShow this thread -
Replying to @zeynep
@zeynep I’m cautiously hopeful it is removed to improve “accidentally posted draft”, however it’s not a leap to wonder if political interference is afoot — again. Trust is crucial as a part of the multi-dimensional solution. Thanks for your consistent communication fbo all.
1 reply 0 retweets 1 like
We will find out soon enough, so I'm willing to wait for the moment. Both are within the realm of the possible.
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Replying to @zeynep @pmaloney33
Meanwhile, CDC recs could NOT be more confusing for a fearful, dying public.
0 replies 0 retweets 1 likeThanks. Twitter will use this to make your timeline better. UndoUndo
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