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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 13 Apr 2020

      I'm a co-author (one among many) on this new paper reviewing and synthesizing the strong scientific evidence for how universal masking can reduce transmission (source control) and greatly dampen the spread of COVID-19. It's under review. Preprint here: https://www.preprints.org/manuscript/202004.0203/v1 …pic.twitter.com/Q6CFBfUNgc

      28 replies 661 retweets 1,283 likes
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    2. zeynep tufekci‏Verified account @zeynep 13 Apr 2020

      It was an honor to work with so many amazing people on something so important. Check out the team. Also look at this graph modeling the combination of mask efficacy and compliance. (But read the paper! We go through many issues in a realistic overview). https://twitter.com/jeremyphoward/status/1249809098079637512 …pic.twitter.com/Khk49I8gmk

      11 replies 60 retweets 134 likes
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    3. Antti Karlsson‏ @AnttiKarlsson 15 Apr 2020
      Replying to @zeynep

      Please, if that plot is used in decision making or something, the formula needs to be fixed, because it assumes that masks are equally effective on inhale and exhale. Or at least this needs to be discussed more.

      1 reply 0 retweets 0 likes
    4. zeynep tufekci‏Verified account @zeynep 15 Apr 2020
      Replying to @AnttiKarlsson

      The paper is pretty clear on what we're talking about. I recommend reading it.

      1 reply 0 retweets 5 likes
    5. Antti Karlsson‏ @AnttiKarlsson 15 Apr 2020
      Replying to @zeynep

      I read it and read the reference too where that plot (or the equation) is from. And the derivation states this symmetric condition that does not fit the narrative of masks being for source control. That plot can still be made though, but the area is smaller

      1 reply 0 retweets 0 likes
    6. zeynep tufekci‏Verified account @zeynep 15 Apr 2020
      Replying to @AnttiKarlsson

      If anything, though, that understates it (as source control is much easier). Will see if that needs clarification in the legend.

      1 reply 0 retweets 1 like
    7. Antti Karlsson‏ @AnttiKarlsson 15 Apr 2020
      Replying to @zeynep

      It boils down to setting reasonable estimates on how these two efficacies relate to eachother. Maybe that could be set as a parameter and explored or something? And don't get me wrong, I support your work and am only offering constructive criticism.pic.twitter.com/24n9vZO2Ek

      1 reply 0 retweets 2 likes
      zeynep tufekci‏Verified account @zeynep 15 Apr 2020
      Replying to @AnttiKarlsson

      Yeah, will take a look! I thought we were clear in the next. Thanks.

      9:22 AM - 15 Apr 2020
      0 replies 0 retweets 0 likes

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