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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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    zeynep tufekci‏Verified account @zeynep Jan 9

    zeynep tufekci Retweeted Ryan Hisner

    This is interesting work, but I don’t know why authors bin the results (3-6 days) instead of just giving us the exact days. Also, why don’t we have our own studies like this? This is exactly what we need to know. And: I suspect this distribution may be bimodal by vax/symptom.https://twitter.com/longdeserttrain/status/1480179160052125699 …

    zeynep tufekci added,

    Ryan Hisner @LongDesertTrain
    1/6 Important new study from Japan finds that with Omicron, infectious viral loads peak 3-6 days after symptom onset/diagnosis. So many people are ending isolation & returning to work & school at peak infectiousness. Thanks, @CDCgov. h/t @gianlucac1 https://www.niid.go.jp/niid/en/2019-ncov-e/10884-covid19-66-en.html … pic.twitter.com/aDqZgoyxRb
    Show this thread
    12:09 PM - 9 Jan 2022
    • 46 Retweets
    • 208 Likes
    • Paul Cantrell waldenj ELECTORAL FRAUD 2016 Amy Karls stooplites Chelsea, im reading, Hartness Hansen Qian Kate Perrine V. Crampton
    9 replies 46 retweets 208 likes
      1. New conversation
      2. zeynep tufekci‏Verified account @zeynep Jan 9

        There are two issues. Are rapid tests useful for ending/prolonging isolation? I think the answer is yes. Second issue is: if you don’t have enough of them, what are you gonna do as a coping strategy? That is also worth looking into, and ideally based on data like this.

        6 replies 5 retweets 109 likes
        Show this thread
      3. zeynep tufekci‏Verified account @zeynep Jan 9

        Nothing is ideal without tests, but if it is bimodal, I’d be curious about spring the boosted/vaxxed without symptoms on day three and keep anyone with symptoms until two consequent symptom-free days, on or later than day five as one potential trade-off. (Wearing good masks).

        8 replies 4 retweets 53 likes
        Show this thread
      4. End of conversation
      1. New conversation
      2.  📎Phil Rouge‏ @phil_rouge Jan 9
        Replying to @zeynep

         📎Phil Rouge Retweeted Carl T. Bergstrom

        Bergstrom made some estimateshttps://twitter.com/CT_Bergstrom/status/1479938654579544065?s=20 …

         📎Phil Rouge added,

        Carl T. BergstromVerified account @CT_Bergstrom
        1. A thread on the CDC’s recommendation to de-isolate five days after the onset of symptoms or positive test. First, a disclosure: I was paid as a consultant for this work, done in collaboration with @Color Health, which provides COVID testing services and vaccination logistics.
        Show this thread
        1 reply 0 retweets 4 likes
      3. zeynep tufekci‏Verified account @zeynep Jan 9
        Replying to @phil_rouge

        Yeah, reading it now. Good to try to model these things given the less-than-ideal situation. I’d also love to see a more bimodal infectious period modeling, and differentiate by vaccination/symptoms status based on tracking data like the one above.

        2 replies 0 retweets 9 likes
      4. Show replies
      1. Thomas Attila Lewis‏ @tomdog Jan 9
        Replying to @zeynep

        3-6 days seems like a good range that covers 99% of the people and the smart and science-based approach would be to quarantine people for at least 6 days.

        0 replies 0 retweets 2 likes
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      1. ~Poseidon~‏ @Poseidontennis Jan 9
        Replying to @zeynep

        Also, why would you only look at 8/21 people in the 3-6 day timespan?

        0 replies 0 retweets 0 likes
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      1. Fully Vaccinated Matthew, Evaluating Distance‏ @MatSciMatt Jan 9
        Replying to @zeynep

        Day of diagnosis and day of symptom onset can be different depending on testing strategy, and I think even more so when the study uses PCR. In fall, I felt like ppl I knew got PCR for a high exposure risk but mainly did LFTs if they had mild symptoms w/ no suspected exposure.

        0 replies 0 retweets 1 like
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      1. Jamie Bedford‏ @jrbedford Jan 9
        Replying to @zeynep

        "Why don't we have studies like this?" This is mystifying to me. You can't swing a cat without hitting 10 people who are either infected or likely to be. Need way more of this kind of study with way higher # participants, and gotta do it for every new VOC.

        0 replies 0 retweets 1 like
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      1. David desJardins‏ @David_desJ 22h22 hours ago
        Replying to @zeynep

        The test companies couldn't get FDA approval to report cycle counts because they couldn't prove those were clinically significant. Now that we know that they are it's too late, no one wants to revise the testing protocols and admit they could have been doing it better all along.

        0 replies 0 retweets 1 like
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      1. Erin McJ‏ @normdeviate 14h14 hours ago
        Replying to @zeynep

        re: the binning, my guess is that the small N had something to do with it (only 21 people, with 83 samples among them). Perhaps longitudinal followup was haphazard. I really wish we were not having to MacGyver an evidence basis for CDC policy after the fact.

        0 replies 0 retweets 1 like
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