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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. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      Team did a “detailed and profound search” for cases that might have been missed, says @Peterfoodsafety. “We did not find evidence of large outbreaks that could be related to cases of #COVID19 prior to December 19 in Wuhan or elsewhere."

      6 replies 43 retweets 83 likes
      Show this thread
    2. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      Picture becoming clearer of Huanan market being just part of the spread of #sarscov2 in Wuhan in December, says @Peterfoodsafety. “It was not just only a cluster outbreak in the Huanan market, but the virus was also circulating outside of the market."

      3 replies 56 retweets 130 likes
      Show this thread
    3. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      It "is a very classical picture of the start of an emerging outbreak, where we start with a few sporadic cases early on in the month of December and then we start to see small outbreaks where the disease starts to spread in clusters” incl. the Huanan market, says @Peterfoodsafety

      7 replies 47 retweets 122 likes
      Show this thread
    4. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      "All the work that has been done on the virus, and trying to identify its origin continue to point towards a natural reservoir of this virus and similar viruses in bat populations”, says @Peterfoodsafety. “But … a direct jump from bats in the city of Wuhan is not very likely."

      6 replies 74 retweets 165 likes
      Show this thread
    5. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      Team evaluated four hypotheses, says @Peterfoodsafety. “We sat down and went through these different hypotheses, one by one, and assessed the likelihood by putting forwards arguments for and arguments against such hypotheses. And then assessing the likelihood of each of them."

      1 reply 28 retweets 68 likes
      Show this thread
    6. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      The 4 hypotheses: 1. direct zoonotic spillover 2. spillover from an intermediary host species that might have allowed virus to adapt more 3. introduction via food chain, for example from frozen products 4. lab-related incident

      10 replies 94 retweets 191 likes
      Show this thread
    7. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      "Our initial findings suggest that the introduction through an intermediary host species is the most likely pathway”, says @Peterfoodsafety. But direct spillover and food chain also need some more investigation.

      9 replies 73 retweets 120 likes
      Show this thread
    8. Kai Kupferschmidt‏Verified account @kakape 9 Feb 2021

      “However, the findings suggest that the laboratory incident hypothesis is extremely unlikely to explain introduction of the virus into the human population”, says @Peterfoodsafety suggests the team will not further follow-up that hypothesis with more studies.

      17 replies 71 retweets 135 likes
      Show this thread
    9. zeynep tufekci‏Verified account @zeynep 9 Feb 2021
      Replying to @kakape @WHO @Peterfoodsafety

      Do I understand this correctly? (Emphasis: I have no comment/assertion on lab accident hypothesis.) The team is asserting that they can *rule out* lab screw-up but *not* frozen food? That it's plausible that SARS-CoV-2 was introduced into China through frozen food from elsewhere?

      9 replies 10 retweets 82 likes
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      zeynep tufekci‏Verified account @zeynep 9 Feb 2021
      Replying to @SmailliwNitsud @kakape and

      Yeah that makes more sense, will read the report when it comes out though do we have any actual proof that frozen food can can act like a fomite for viable virus?

      6:20 AM - 9 Feb 2021
      • 8 Likes
      • Linda Endicott Trudy Harpham, PhD Jules Pitt Quang Nguyen unique indemnifier JoiningUnrelatedDots nptacek.eth ᵍᵐ (😈,😇)(🥖,🥖) ~ dW ~
      3 replies 0 retweets 8 likes
        1. New conversation
        2. nptacek.eth ᵍᵐ ( 😈, 😇)( 🥖, 🥖)‏ @nptacek 9 Feb 2021
          Replying to @zeynep @SmailliwNitsud and

          There have been a number of reports out of China regarding samples of the virus found on frozen food and its packaging over the past 8 months or so, but I haven’t come across any studies or further information to determine if the virus remained viable in any of those cases.

          1 reply 0 retweets 2 likes
        3. Fun with Biology‏ @biostitute 9 Feb 2021
          Replying to @nptacek @zeynep and

          Magical fomite thinking

          0 replies 0 retweets 1 like
        4. End of conversation
        1. Starving Engineer‏ @edw_tweet 9 Feb 2021
          Replying to @zeynep @SmailliwNitsud and

          New Zealand "ruled it out" for their August outbreak, despite happening around frozen food delivery. I haven't seen the extensive assesment published anywhere, it was just what they communicated at the press conf.

          0 replies 0 retweets 1 like
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        1. New conversation
        2. Alina Chan‏Verified account @Ayjchan 9 Feb 2021
          Replying to @zeynep @SmailliwNitsud and

          Alina Chan Retweeted Alina Chan

          I knew this thread would come in handy soon! 🍨https://twitter.com/Ayjchan/status/1354609310605705220 …

          Alina Chan added,

          Alina ChanVerified account @Ayjchan
          The only primary study proposing evidence of human infection by SARS2 (covid-19) from frozen fish packaging is a Nov 2020 paper by the Chinese CDC. It was cited by Shi Zhengli in her recent perspectives in @ScienceMagazine as evidence suggesting cold chain transmission of covid..
          Show this thread
          2 replies 1 retweet 11 likes
        3. Richard H. Ebright‏Verified account @R_H_Ebright 9 Feb 2021
          Replying to @Ayjchan @zeynep and

          No one possibly could be uninformed enough or unintelligent enough to take the "cold chain, frozen products" claim seriously.

          2 replies 2 retweets 19 likes
        4. Show replies

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