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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 1,282 likes
      Show this thread
    2. Steven Sinofsky‏Verified account @stevesi 25 Apr 2020
      Replying to @zeynep

      Steven Sinofsky Retweeted Steven Sinofsky

      Thank you. Back in Feb I located a few pubmed papers mask research that were somewhat more mixed than I think this summary indicated. Here are some of the ones I found along those lines. Only one of these was referenced and one is later work from same.https://twitter.com/stevesi/status/1241777944202104832?s=20 …

      Steven Sinofsky added,

      Steven SinofskyVerified account @stevesi
      Replying to @_lordmax_ @naval
      Many studies on masks. Not clear at all. Req many conditions to be met. Some… https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2662657/ … https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5779801/ … https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3536629/ … https://www.ncbi.nlm.nih.gov/pubmed/19193267  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2984432/ … https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4420971/ … https://academic.oup.com/jid/article/201/4/483/860983 … https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2818714/ …
      2 replies 0 retweets 4 likes
    3. zeynep tufekci‏Verified account @zeynep 25 Apr 2020
      Replying to @stevesi

      We never had solid studies on community use (most good studies focused on ingress rather than community use, see difference here https://www.theatlantic.com/health/archive/2020/04/dont-wear-mask-yourself/610336/ …) but even what studies we have (many with low compliance/not good controls) supported some benefits for reducing transmission.

      1 reply 6 retweets 7 likes
    4. zeynep tufekci‏Verified account @zeynep 25 Apr 2020
      Replying to @zeynep @stevesi

      Our argument is not about individual level protections (like almost every study before) but community level reduction of transmissibility—a public good, not as much an individual one. That can only be studied properly with high compliance, but you can still assemble evidence.

      2 replies 3 retweets 6 likes
    5. zeynep tufekci‏Verified account @zeynep 25 Apr 2020
      Replying to @zeynep @stevesi

      To argue for universal masks, we had evidence of asymptomatic contagion; evidence of reducing egress ( like this: https://www.nejm.org/doi/full/10.1056/NEJMc2007800 …) and preponderance of evidence it won't create harm (I found no precedent or reasonable argument for harm) and then we model.

      4 replies 2 retweets 4 likes
    6. Steven Sinofsky‏Verified account @stevesi 25 Apr 2020
      Replying to @zeynep

      One of the papers I offered was about Japan and how the benefit of use of masks might have been more about a correlation with other behaviors than about masks. As far as harm, there is significant research in many fields about safety devices causing (directly) unsafe behavior.

      2 replies 0 retweets 2 likes
      zeynep tufekci‏Verified account @zeynep 25 Apr 2020
      Replying to @stevesi

      There is no empirical support for safety devices causes harm at the population level through unsafe behavior. Check out the paper linked, I review the evidence. Helmets, seatbelts, you name it. It's been suggested and studied. Japan: they're screwing up everything else but masks.

      3:55 PM - 25 Apr 2020
      • 1 Retweet
      • 13 Likes
      • steve Graham Webster Nicolas Saunier Frank Pasquale Daniel Sereduick Sandy Ausir tahfromslc Bologna Fish, M.D.
      1 reply 1 retweet 13 likes
        1. New conversation
        2. zeynep tufekci‏Verified account @zeynep 25 Apr 2020
          Replying to @zeynep @stevesi

          Japan is doing it at the NYC/Lombardy before lockdown level wrong. Until recently, they are finally maybe moving a bit. Surely, they have an epidemic, but also surely, they aren't Lombardy, or if they will become one, much later.

          1 reply 0 retweets 3 likes
        3. Steven Sinofsky‏Verified account @stevesi 25 Apr 2020
          Replying to @zeynep

          You are talking about Japan right now which is rather chaotic (because of the Olympics -- for example schools were closed/unclosed in Feb). The studies and research were about prior flu seasons and patterns.

          0 replies 0 retweets 0 likes
        4. End of conversation

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