The central statement of the group is: “The transmission of the SARS-CoV-2 viruses takes place almost without exception indoors.” ht @BernieCornfeldhttps://www.thelocal.de/20210412/danger-lurks-inside-german-aerosol-experts-say-covid-restrictions-should-target-indoor-areas/ …
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zeynep tufekci Retweeted Ty Schalter
This isn’t exactly true though, for this. Once aerosol transmission is correctly understood, it actually *unlocks* effective mitigations, especially since SARS-CoV-2 is overdispersed (either superspreadering OR low transmission). Aerosol recognition shows us its chokepoints.https://twitter.com/tyschalter/status/1391386430572797957 …
zeynep tufekci added,
Ty SchalterVerified account @tyschalterI remember being weirded out by this at the very beginning. Everything I was reading was like, "If it's droplets, we'll want to wipe down surfaces and avoid touching our faces. If it's aerosols...well, if it's aerosols we're SCREWED, so it CAN'T be that" https://twitter.com/zeynep/status/1390738628528201735 …8 replies 52 retweets 262 likesShow this thread -
zeynep tufekci Retweeted Joanna Teglund 😷 🪟 Don't get infected #ZeroCovid
I just want to keep highlighting that there are very few confirmed outdoor transmission cases at all, and they are mostly in the context of prolonged *and* really close contact AND that the science of aerosol transmission makes it very clear why outdoors is so so much safer.https://twitter.com/JoannaTeglund/status/1390681712682749952 …
zeynep tufekci added,
15 replies 127 retweets 485 likesShow this thread -
zeynep tufekci Retweeted Eric Topol
My piece on the history and the context of the debate over aerosol transmission is out in print today in the New York Times. (Online is longer and linked below, print is shorter!): https://www.nytimes.com/2021/05/07/opinion/coronavirus-airborne-transmission.html …https://twitter.com/EricTopol/status/1391642044167196675 …
zeynep tufekci added,
4 replies 45 retweets 146 likesShow this thread -
So much gratitude to
@avizvizenilman and@isaacscher who provided incredible research assistance. The piece was fact-checked within an inch of its life over many days, and it's the tip of an iceberg in terms of the research and documentation that went into it.2 replies 6 retweets 79 likesShow this thread -
zeynep tufekci Retweeted Prof. Jose-Luis Jimenez
Look at this incredible thread by
@jljcolorado on the history of aerosol denial/misunderstandings/errors. I put (what I could fit) to highlight this. There's something to say about individual conduct during all this—but also that this is a longer history.https://twitter.com/jljcolorado/status/1391111720526024708 …zeynep tufekci added,
Prof. Jose-Luis JimenezVerified account @jljcolorado1/ TIME FOR SOME AIRBORNE + DROPLET HISTORY Now that@WHO and@CDCgov have finally accepted *after a year of denial and delays* that airborne transmission is a major mode for COVID-19, it is time to review the history to try to understand why this response was so poor.Show this thread3 replies 63 retweets 177 likesShow this thread -
The history matters. Top medical journals still publish errors about aerosol size and biomechanics. Not individual malfeasance. The errors are in the textbooks. Medical doctors are not biophysicists or aerosol engineers. Dismissing relevant expertise has been, sadly, very costly.
1 reply 45 retweets 211 likesShow this thread -
The other part is how causal inference differs by field. Clinical practice rightly uses randomized trials (crucial for drugs and vaccines) but the clear point that the droplet theory didn't do a good job explaining the world as we observed it didn't get the attention it deserved.
3 replies 15 retweets 126 likesShow this thread -
Overlooked but key. Nothing about transmission in this pandemic makes sense except in the light of overdispersion. It alternates between contagious clusters and little to no transmission. This makes causal inference difficult. It fries our assumptions. https://www.theatlantic.com/health/archive/2020/09/k-overlooked-variable-driving-pandemic/616548/ …pic.twitter.com/nygPqC3yzn
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zeynep tufekci Retweeted Iris Pangburn
Yes, around the world, to this day. And the constant overuse of bleach etc. is not just a waste of time and resources, it's genuinely unhealthy. "Stop over-disinfecting and start ventilating" has to be a loud campaign, led by WHO & public health agencies.https://twitter.com/Calamitatis/status/1391733545270497282?s=20 …
zeynep tufekci added,
Iris Pangburn @CalamitatisReplying to @junrussell @Fundmasstransit @zeynepYes, but on the other hand an enormous waste of work-time & resources. Consider the volume of disposable gloves, the plastic containers of lysol & so forth, the crippling requirements of daycare centers, etc. A more timely update could have limited that.11 replies 172 retweets 397 likesShow this thread
this all makes a lot of sense. but a lot of schools and universities, for example, are in buildings that don't have great ventiliation, and improving that is costly and not likely to happen. so what do we do?
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Replying to @SeeTedTalk @zeynep
What does the research say about UV light filters on HVAC systems?
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Replying to @SeeTedTalk @zeynep
Exactly! They want us to send our kids back to school while still engaging in hygiene theater (3' apart desks, plexiglass barriers, enhanced surface cleaning) with no outside ventilation, HEPA filters, or UV in ducts (not even portable HEPA units).
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