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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 16 Dec 2020

      Geeky question, is there an explanation for why the Moderna vaccine is stable longer than the Pfizer one in terms of cold storage requirements since they're both mRNA? Or is it just that Moderna tested for longer storage times and Pfizer didn't? Links to long papers welcome!

      30 replies 42 retweets 338 likes
      Show this thread
    2. zeynep tufekci‏Verified account @zeynep 16 Dec 2020

      zeynep tufekci Retweeted Justin

      Difference may be the proprietary method/formula Moderna has for its lipid nanoparticles. I don't know the answer but if it's possible to license/share/apply this technology to the Pfizer vaccine, it could make a huge difference to who will get vaccinated.https://twitter.com/Trumpery45/status/1339336789270568960 …

      zeynep tufekci added,

      Justin @Trumpery45
      Replying to @zeynep
      some hints are here https://www.nationalgeographic.com/science/2020/11/moderna-edges-pfizer-coronavirus-efficacy-and-refrigeration/ … pic.twitter.com/jsYsokgVV8
      6 replies 17 retweets 129 likes
      Show this thread
      zeynep tufekci‏Verified account @zeynep 16 Dec 2020

      Pfizer distribution is going to be much harder and more costly because of its (relatively extreme) refrigeration requirements and shorter shelf-life. This hinders immunization outside hospitals in the US, and makes it much harder in poorer countries. Just looking to learn why/if.

      2:39 PM - 16 Dec 2020
      • 7 Retweets
      • 93 Likes
      • wombot 👀 james_robinson Maude Hatter Nora Rawn EyeForTruth Nico Vallone Dave Troy 🇺🇸 Bengisu erika at rest remains at rest
      10 replies 7 retweets 93 likes
        1. New conversation
        2. Sanford May‏ @sanfordmay 16 Dec 2020
          Replying to @zeynep

          I’m so thrilled AstraZeneca blew it.

          1 reply 0 retweets 0 likes
        3. Jonas Salk Stan Account‏ @TAB_Soda_MPH 16 Dec 2020
          Replying to @sanfordmay @zeynep

          I wouldn't say they've blown it. AstraZeneca came at the vaccine with the mindset that it needed to be cheap and available to the majority of the world's population. That's a little more difficult than tailoring to the rich countries who can afford it.

          2 replies 0 retweets 1 like
        4. Show replies
        1. Baddie of Christ, MD  🧚🏿‍♂️‏ @AKApella23 16 Dec 2020
          Replying to @zeynep

          I want to get the Dolly Parton-sponsored vax (Moderna) but since it's more temp-stable, will settle for Pfizer so it's available for rural/remote areas of the world.

          0 replies 0 retweets 1 like
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        1. Kurt Weinschenker‏ @KurtBW_News 16 Dec 2020
          Replying to @zeynep

          Your attention is invited to one example in the US:https://www.wtrf.com/belmont-county/belmont-county-health-dept-will-receive-their-shipment-of-covid-19-vaccine-next-week/ …

          0 replies 0 retweets 0 likes
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        1. Thomas Attila Lewis‏ @tomdog 16 Dec 2020
          Replying to @zeynep

          Not even an accelerated stability study has been done on any of these vaccines. It’s just one big experiment.

          0 replies 0 retweets 0 likes
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        1. "Oy" elk‏ @steel_elk 16 Dec 2020
          Replying to @zeynep

          Honestly the Pfizer system has such a high fussiness factor I think they will need to do a v2 as fast as they can that permits error. I'm concerned about someone leaving a vial tray out too long tbh.

          0 replies 0 retweets 0 likes
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        1. JJ‏ @me_marco 16 Dec 2020
          Replying to @zeynep

          I believe BioNtech is working on a tweek to the vaccine to make it require less frigid temperatures.

          0 replies 0 retweets 0 likes
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        1. Kristina Jovanovski‏Verified account @kjovano 16 Dec 2020
          Replying to @zeynep

          In Canada, govt leaders agreed that the northern, remote areas wouldn't get the Pfizer vaccine at all and would wait for the Moderna vaccine.

          0 replies 0 retweets 0 likes
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        1. Wanting better‏ @cschneider8224 16 Dec 2020
          Replying to @zeynep

          Ebola vaccine was kept at -80, so curious to know why there isn't a lesson to be taken there.

          0 replies 0 retweets 0 likes
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        1. Khavren‏ @Khavren 16 Dec 2020
          Replying to @zeynep

          I look forward to dipping dots partnership with pfizer for distribution

          0 replies 0 retweets 0 likes
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