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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 Feb 2021

      I'm flabbergasted here. This isn't a correct interpretation of vaccine efficacy—and that 95% number. It doesn't mean vaccines leave 1 in 20 people "unprotected". https://www.timesnews.net/living/wellness/5-reasons-to-wear-a-mask-even-after-you-re-vaccinated/article_382fb8e0-5bfc-11eb-9945-2315e7061dc1.html …pic.twitter.com/iDI1SOeIxk

      64 replies 335 retweets 2,081 likes
      Show this thread
      zeynep tufekci‏Verified account @zeynep 15 Feb 2021

      I also personally disagree that "masks and distancing" are here to stay, at least in their current form, "until herd immunity"—we will likely get relaxations and new guidelines, especially for private behavior for vaccinated people depending on their risk levels long before that.

      1:39 PM - 15 Feb 2021
      • 20 Retweets
      • 437 Likes
      • Tim Pool Clips Daniel Bertrand Sween Urbanite Teagan Wall is Vaccinated! Rendell Davis Shanna🐩🐶 devrandom Keegan
      10 replies 20 retweets 437 likes
        1. New conversation
        2. zeynep tufekci‏Verified account @zeynep 15 Feb 2021

          But at least that part is something to discuss! I hope we get a quick correction to the above quote, though.@LizSzabo

          2 replies 3 retweets 141 likes
          Show this thread
        3. zeynep tufekci‏Verified account @zeynep 15 Feb 2021

          Correct. Vaccine efficacy is a relative measure. In the trials, it's a ratio among those who got symptomatic COVID—even if it was mild (which was the endpoint). It does not mean 1 in 20 unprotected. Whatever the source of error, correction needed. https://twitter.com/lyndon_bae_j/status/1361432394335735814 …pic.twitter.com/cJ7Z8lPgdY

          9 replies 79 retweets 369 likes
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        4. zeynep tufekci‏Verified account @zeynep 15 Feb 2021

          Pfizer vaccine efficacy calculation from their EUA. The vaccinated & vaccinated groups are ~identical in size, so we can just compare cases. Only 8 vaccinated got symptomatic COVID (almost all mild) compared to 162 among unvaccinated. That's the 95%; it compares relative risk.pic.twitter.com/fDQuNF017n

          5 replies 61 retweets 290 likes
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        5. zeynep tufekci‏Verified account @zeynep 15 Feb 2021

          Further, even if you were among the few who got symptomatic COVID after vaccination, it wasn't a case of being "unprotected"—there were no deaths, no hospitalizations among the vaccinated and the single "severe" case was borderline Sp02 93% and she needed no medical attention.

          9 replies 38 retweets 329 likes
          Show this thread
        6. zeynep tufekci‏Verified account @zeynep 15 Feb 2021

          In sum: 95% efficacy does not mean that 5% in the vaccine group got infected (not at all! Not even close! It was .04% for Pfizer trial) or that those who had symptomatic COVID despite vaccine were "unprotected": no greatly reduced severity, no hospitalization, no death.

          12 replies 107 retweets 445 likes
          Show this thread
        7. End of conversation
        1. Thomas Attila Lewis‏ @tomdog 15 Feb 2021
          Replying to @zeynep

          Guidelines have frequently been relaxed due to pressures from the business community, not science. Just because it happens again doesn’t mean it’s based on sensible scientific policy

          0 replies 0 retweets 1 like
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        2. Sarah Hudson‏ @sbhudson108 15 Feb 2021
          Replying to @zeynep

          I don't even understand what "distancing is here to stay" means. I have not set foot in a retail establishment in a year. I have not hugged a family member in almost as long. Because telling people this is just how it is, possibly forever, is not tenable policy.

          2 replies 0 retweets 2 likes
        3. Jeremy Redfern‏ @JeremyRedfernFL 15 Feb 2021
          Replying to @sbhudson108 @zeynep

          I’m saying this with all sincerity. You really need to get out and see your family and go shopping. The risks of staying away from human contact like that are greater than the risks of covid. As in: depression, suicidal thoughts, etc.

          0 replies 0 retweets 2 likes
        4. End of conversation
        1. New conversation
        2. Nick Vrana‏ @nsvrana 15 Feb 2021
          Replying to @zeynep

          I wonder if this will make the next 6 months a uniquely dangerous time for healthy 25-45 year olds. They will be low priority for vaccinations and, as the at-risk population is vaccinated, govts will be under pressure to roll back restrictions.

          1 reply 0 retweets 2 likes
        3. Pelican state of mind‏ @Parisire 15 Feb 2021
          Replying to @nsvrana @zeynep

          If you're in that age range and healthy isn't the chance that'll you suffer severe symptoms from COVID-19 decidedly lower than it would be if you're older than that?

          1 reply 0 retweets 1 like
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