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MartinKulldorff's profile
Martin Kulldorff
Martin Kulldorff
Martin Kulldorff
@MartinKulldorff

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Martin Kulldorff

@MartinKulldorff

Professor Harvard Medical School. Disease surveillance methods. Infectious disease outbreaks. Vaccine safety. Free SaTScan, TreeScan and RSequential software.

Boston, USA
drugepi.org/team/martin-ku…
Joined May 2014

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    1. Newman Nahas‏ @NahasNewman 27 Jul 2020

      Could contact with children be protective? This paper found favorable association—even after controlling for age & other confounders. Could help explain why teachers in Sweden (where schools open & 1.8M kids attended) had lower risk relative to other occupations.pic.twitter.com/BEi2wHs9ZW

      20 replies 93 retweets 208 likes
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    2. Sarah Lewis‏ @ProfSarahJLewis 27 Jul 2020
      Replying to @NahasNewman

      Whilst this is an interesting research question, I am afraid that this isn’t a very convincing study. It depends on people responding to the survey. We can’t rule out those who were seriously ill and had small children being less likely to respond. It also doesn’t include deaths

      2 replies 1 retweet 6 likes
    3. Newman Nahas‏ @NahasNewman 27 Jul 2020
      Replying to @ProfSarahJLewis

      Fair points.

      2 replies 1 retweet 2 likes
    4. Sarah Lewis‏ @ProfSarahJLewis 27 Jul 2020
      Replying to @NahasNewman

      You would really need hospital registration data or death data linked to national registration data on births or occupation to study this. But I agree it is an important question.

      2 replies 0 retweets 1 like
      Martin Kulldorff‏ @MartinKulldorff 27 Jul 2020
      Replying to @ProfSarahJLewis @NahasNewman

      The Swedish report is based on national registration data. It is clear that teachers and those in other child related occupations are not at higher risk than the average of other occupations, but the reason is unclear.

      12:12 PM - 27 Jul 2020
      • 2 Retweets
      • 7 Likes
      • Kevin Stewart Dirk - locker bleiben 🙂 BigPerm Eric McPherson Newman Nahas
      3 replies 2 retweets 7 likes
        1. New conversation
        2. Newman Nahas‏ @NahasNewman 27 Jul 2020
          Replying to @MartinKulldorff

          Seems to me that the Swedish data on relative risk is the most important that we have. It’s incredible how little attention it gets. Speculation about what could happen if X is being elevated above what actually happened when X.

          0 replies 0 retweets 4 likes
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        2. Sarah Lewis‏ @ProfSarahJLewis 27 Jul 2020
          Replying to @MartinKulldorff @NahasNewman

          We also found that teachers were not at elevated risk using national death registrations in the UK https://ieureka.blogs.bristol.ac.uk/2020/07/01/are-schools-in-the-covid-19-era-safe/ …

          1 reply 2 retweets 5 likes
        3. Sarah Lewis‏ @ProfSarahJLewis 27 Jul 2020
          Replying to @ProfSarahJLewis @MartinKulldorff @NahasNewman

          In an earlier blog we also considered childcare workers. We haven’t published this but the data is freely available to download. https://ieureka.blogs.bristol.ac.uk/2020/05/26/are-teachers-at-high-risk-of-death-from-covid19/ …

          0 replies 1 retweet 2 likes
        4. End of conversation
        1. Newman Nahas‏ @NahasNewman 27 Jul 2020
          Replying to @MartinKulldorff

          Newman Nahas Retweeted Newman Nahas

          These data from Denmark seem interesting too.https://twitter.com/nahasnewman/status/1287834461309108224?s=21 …

          Newman Nahas added,

          Newman Nahas @NahasNewman
          @WesPegden take a look at these data from Denmark. They complement the Swedish analysis of relative risk. https://twitter.com/Goldammerfeder/status/1278267230493515776 …
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