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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 22 Apr 2020

      Much of the confusion about masks is because people conflate preventing infection (PPE for hospitals) with stopping transmission (cloth masks for all). Share this explainer I wrote with @jeremyphoward & @trishgreenhalgh with your mask-skeptical friends! https://www.theatlantic.com/health/archive/2020/04/dont-wear-mask-yourself/610336/ …pic.twitter.com/EuQJ4vqMYh

      22 replies 663 retweets 1,024 likes
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    2. zeynep tufekci‏Verified account @zeynep 22 Apr 2020

      Once we understand this distinction, that the point of masks for all isn't to act the way PPE does for hospital workers, much of the confusion disappears! Advice that applies to PPE (strict donning/doffing) don't really apply to masks for "source control"—stopping transmission.

      3 replies 53 retweets 169 likes
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    3. zeynep tufekci‏Verified account @zeynep 22 Apr 2020

      PPE for medical workers is *individual* protection. Masks for all is something different: it's a *public good*. It works only if almost everyone complies and once that happens it's a really powerful benefit for everyone. It's like clean air: need filters on all chimneys/exhausts.pic.twitter.com/UyZVbgUOed

      8 replies 104 retweets 238 likes
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    4. zeynep tufekci‏Verified account @zeynep 22 Apr 2020

      A public good like masks for all cannot be measured as an individual benefit. So we did some population level-modeling. If we can get 80+% of people to wear masks, we could help push R below 1. All models have limits (next tweet) but it's a strong argument! (Blue is R below 1).pic.twitter.com/4qqWj85Knw

      4 replies 110 retweets 207 likes
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      zeynep tufekci‏Verified account @zeynep 22 Apr 2020

      A few limits: Not all transmission happens where cloth masks would help. For example: household transmission, healthcare settings where transmission occurs despite PPE because medical workers do high-risk procedures AND masks don't replace the value of distancing! They add to it.

      12:53 PM - 22 Apr 2020
      • 20 Retweets
      • 88 Likes
      • Maelys #fbpa #fbppr #FBPPA🕷️😷💙 🌍 Janet hancock #FBPPR🇪🇺🐈😸🧵👩🏼‍🎨🌳🍃🟥🟨💙 Andrew Wyld Dr. Arthur sandi u Angela King - Public Health & Philosophy John Dunne ♿👨🏻‍🦼💙 Another Person 💙 Jessica M. Rosen (she/her)
      2 replies 20 retweets 88 likes
        1. New conversation
        2. zeynep tufekci‏Verified account @zeynep 22 Apr 2020

          Reading so many articles which cited studies about protecting medical folks from infection to argue "masks are complicated" has been super frustrating. PPE *is* difficult to do correctly. Cloth masks for all to prevent transmission is different! THE DIFFERENCE IS NOT COMPLICATED.

          7 replies 32 retweets 138 likes
          Show this thread
        3. zeynep tufekci‏Verified account @zeynep 22 Apr 2020

          Folks, for clarity: As I stated in everything I have written to date, all this is a proposal to wear masks *in addition to* social distancing and hygiene measures. (@yaneerbaryam thinks people might misunderstand and I want to make sure!). MASKS ARE AN ADDITIONAL MEASURE. 😃

          9 replies 38 retweets 171 likes
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        4. zeynep tufekci‏Verified account @zeynep 23 Apr 2020

          Hospitals are very high-risk environments. Sick people concentrate there and staff can't distance. After Brigham and Women's Hospital required everyone, including patients, to wear masks staff infections dropped from 12-14 new infections per day to only 6. https://www.wbur.org/commonhealth/2020/04/23/brigham-and-womens-masks-infections …pic.twitter.com/Rrlj4CZu2T

          2 replies 32 retweets 50 likes
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        5. End of conversation
        1. New conversation
        2. Yaneer Bar-Yam‏ @yaneerbaryam 22 Apr 2020
          Replying to @zeynep

          If 80% of transmission is within familes and you are not addressing it, then you can't achieve R<1 with masks. Why mislead?

          4 replies 2 retweets 2 likes
        3. zeynep tufekci‏Verified account @zeynep 22 Apr 2020
          Replying to @yaneerbaryam

          It's a population model! That's why I added. As for household transmission, depends on how the index case in the household is getting infected in the first place. If yes, same impact. So issue isn't household or not but for example, fomites/PPE availability for HCW etc.

          2 replies 0 retweets 0 likes
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