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zeynep's profile
zeynep tufekci
zeynep tufekci
zeynep tufekci
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@zeynep

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zeynep tufekciVerified account

@zeynep

Complex systems, wicked problems. Society, technology, science and more. @UNC professor. @NYTimes columnist. My newsletter is @insight: http://www.theinsight.org 

floating in a most peculiar way
theinsight.org
Joined August 2009

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    1. zeynep tufekci‏Verified account @zeynep 15 Apr 2021

      Anyway, it's been a true honor and pleasure to be included in this paper with my co-authors, @trishgreenhalgh @kprather88 @Rschooley @jljcolorado and @dfisman and, hey, I even liked the peer review process! The reviewers were sharp which is always good.😀https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(21)00869-2/fulltext …

      7 replies 41 retweets 366 likes
      Show this thread
    2. zeynep tufekci‏Verified account @zeynep 15 Apr 2021

      I want to add something. Recognizing SARS-CoV-2 as *predominantly* airborne isn’t an obstacle. It helps identify effective mitigations& chokepoints—like Japan did, for example. Airborne doesn’t mean it necessarily spreads like measles—a common error. TB is airborne but lower R0.

      5 replies 51 retweets 359 likes
      Show this thread
    3. zeynep tufekci‏Verified account @zeynep 15 Apr 2021

      “Predominantly airborne” doesn’t mean masks and distancing are useless. In fact, aerosol scientists were among the first to emphasize both. But correct theory of transmission gives both better explanations of the epidemiological record and better mitigations over a broader range.

      14 replies 94 retweets 471 likes
      Show this thread
    4. zeynep tufekci‏Verified account @zeynep 15 Apr 2021

      zeynep tufekci Retweeted Don Milton

      Why this really matters. This isn’t quibbles at the margins. Its an incorrect paradigm being replaced. Some things overlap between the two, but not everything does and thus there will likely be many real changes going forward that affect *other* respiratory pathogens as well.https://twitter.com/Don_Milton/status/1382891848356741125 …

      zeynep tufekci added,

      Don Milton @Don_Milton
      Late 90s and early 2000s when we were showing that there were respiratory virus aerosols indoors, that ventilation reduced work absence, that indoor CO2 predicted risk of infection -- peer reviewers frequently said I was crazy. It's been a long time. Sad that it took a pandemic. https://twitter.com/linseymarr/status/1382842521286549508 …
      24 replies 111 retweets 499 likes
      Show this thread
    5. zeynep tufekci‏Verified account @zeynep 16 Apr 2021

      Another great paper, making the case for the predominance of airborne transmission and, crucially, focusing on practical recommendations for buildings with a realistic & nuanced discussion of the trade-offs. Three papers in key medical journals in a week! https://twitter.com/j_g_allen/status/1383073549380882438 …pic.twitter.com/cX8TGGrb07

      3 replies 61 retweets 185 likes
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    6. zeynep tufekci‏Verified account @zeynep 16 Apr 2021

      zeynep tufekci Retweeted

      Our @TheLancet paper is a work of synthesis in the service of a causal framework that best explains observed phenomenon over a year of intense data collection. I'd be interested to read a case for "it's predominantly and/or largely droplets" fits the data. https://twitter.com/dylanhmorris/status/1382827972239843330 …

      zeynep tufekci added,

      This Tweet is unavailable.
      3 replies 25 retweets 144 likes
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    7. zeynep tufekci‏Verified account @zeynep 16 Apr 2021

      I don't mean the above as lip service. I don't see how the totality of evidence works well for an explanation that differs fundamentally, but I'd be super interested in reading that framework: not as an assumption in textbooks but as how it fits the full range observational data.

      3 replies 1 retweet 71 likes
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    8. zeynep tufekci‏Verified account @zeynep 18 Apr 2021

      zeynep tufekci Retweeted ɪᴀɴ ᴍ. ᴍᴀᴄᴋᴀʏ, ᴘʜᴅ  🦠 🤧 🧬 🥼 🦟 🧻 🧙‍♂️

      I want to add two things that I see confused/claimed. First, see this thread and the paper itself where we explicitly discuss whether the predominance of close contact transmission implies gravity-driven droplet transmission is primary or even a lot.https://twitter.com/MackayIM/status/1383370706843410433 …

      zeynep tufekci added,

      ɪᴀɴ ᴍ. ᴍᴀᴄᴋᴀʏ, ᴘʜᴅ  🦠 🤧 🧬 🥼 🦟 🧻 🧙‍♂️Verified account @MackayIM
      The fact that most respiratory virus infections happen when people spend time close together, doesn't automatically imply ballistic droplets are the main route of transmission. I'd just like this said more clearly. There are those who can't grasp this or
      Show this thread
      1 reply 9 retweets 46 likes
      Show this thread
    9. zeynep tufekci‏Verified account @zeynep 18 Apr 2021

      This paper looks at totality of observed data and evidence from past year, and argues why aerosol-transmission as primary route can parsimoniously explain it all, while droplets as primary route contradicts key parts of the evidence. I'd love to read the opposite case if written.

      2 replies 6 retweets 67 likes
      Show this thread
    10. Wes Pegden‏ @WesPegden 18 Apr 2021
      Replying to @zeynep

      Wes Pegden Retweeted Wes Pegden

      Viewing this as an argument between two sides (one of which will be "right" and the other "wrong") misses, I think, that a lot of the epidemiological questions are less settled by the droplet size distinctions than much of the aerosol advocacy suggests.https://twitter.com/WesPegden/status/1383152988517249025 …

      Wes Pegden added,

      Wes Pegden @WesPegden
      Replying to @zeynep @TheLancet and 5 others
      A reasonable competing view is: 1) "Aerosol" droplets may matter most 2) Most transmission is still from close contact 3) Outdoors is much safer even for close contact 4) HEPA/central ventilation don't come close to reproducing these benefits, but may help with rare events.
      1 reply 0 retweets 6 likes
      zeynep tufekci‏Verified account @zeynep 18 Apr 2021
      Replying to @WesPegden

      If you think at what size particles necessarily fall down within a meter or can float, and which type is dominant is irrelevant, I don't know what to say. Getting the droplet boundary wrong by 20X has real epidemiological implications. The "aerosol advocacy" isn't a fight.

      6:50 AM - 18 Apr 2021
      • 2 Likes
      • Mike D Sachin Deshpande
      1 reply 0 retweets 2 likes
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