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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. Eli Perencevich, MD MS 🧼  😷‏Verified account @eliowa 4 Aug 2020

      Really nice discussion of children, schools, and community transmission https://www.vox.com/platform/amp/21352597/covid-19-children-infection-transmission-new-studies …pic.twitter.com/9pTWzd4NzM

      5 replies 59 retweets 88 likes
    2. Muge Cevik‏Verified account @mugecevik 4 Aug 2020
      Replying to @eliowa

      There are many other models that say the opposite though. The problem with the highlighted study is that they could not separate school vs. university closures and other mitigation measures were implemented at the same time so it is difficult to ascertain the actual impact.

      5 replies 0 retweets 19 likes
    3. Martin Kulldorff‏ @MartinKulldorff 4 Aug 2020
      Replying to @mugecevik @eliowa

      Hi Eli, best scientific evidence: Sweden never closed day-care/primary schools, with zero COVID19 deaths and few hospitalized among 1.8 million children ages 1-15. It can spread in schools, but safer than flu, even with #OpenSchools at height of pandemic. https://folkhalsomyndigheten.se/contentassets/c1b78bffbfde4a7899eb0d8ffdb57b09/covid-19-school-aged-children.pdf …

      1 reply 6 retweets 17 likes
    4. Eli Perencevich, MD MS 🧼  😷‏Verified account @eliowa 4 Aug 2020
      Replying to @MartinKulldorff @mugecevik

      I’m not worried about the kids. I’m worried about the teachers and parents and grandparents. South Korea controlled the outbreak with testing and tracing, how’s that working in the US? Comparing US to other countries is not helpful

      2 replies 0 retweets 4 likes
      Martin Kulldorff‏ @MartinKulldorff 4 Aug 2020
      Replying to @eliowa @mugecevik

      Important considerations. Again, best evidence from Sweden. With schools open, compared to other professions, the #COVID19 RR was 0.9 (95% CI 0.7-1.1) for day-care and 1.1 (95% CI 0.9-1.3) for primary school teachers. Sample size 260K. 1/2 https://www.folkhalsomyndigheten.se/contentassets/c1b78bffbfde4a7899eb0d8ffdb57b09/covid-19-school-aged-children.pdf …

      9:15 AM - 4 Aug 2020
      • 5 Retweets
      • 16 Likes
      • Gil Hampus Eckerman Anja 🚴🏻‍♂️ Kristian Alvarez Jörgensen 🇬🇹 🇸🇪 THE🌸CLOCKWORK ORANGE ¦POLITICAL COMMENTARY-SATIRE Dave Léon Catracho Newman Nahas Debbie Tuggle
      2 replies 5 retweets 16 likes
        1. New conversation
        2. Eli Perencevich, MD MS 🧼  😷‏Verified account @eliowa 4 Aug 2020
          Replying to @MartinKulldorff @mugecevik

          Not the right comparison. What’s the teacher risk and community risk in Sweden when schools open compared to risk in Sweden when schools closed? See:https://jamanetwork.com/journals/jama/fullarticle/2769034 …

          1 reply 0 retweets 1 like
        3. Martin Kulldorff‏ @MartinKulldorff 4 Aug 2020
          Replying to @eliowa @mugecevik

          In Sweden, day-care/primary schools never closed, except for regular holidays and vacations. Such temporal comparisons are scientifically fraught though, due to other changes occurring at the same time (as in Israel) and natural changes in incidence and immunity.

          0 replies 0 retweets 1 like
        4. End of conversation
        1. New conversation
        2. Martin Kulldorff‏ @MartinKulldorff 4 Aug 2020
          Replying to @MartinKulldorff @eliowa @mugecevik

          With open schools in Stockholm, high-risk elderly age >70 that live with a working-age adult had the same #COVID19 risk whether or not they also lived with children age <16. 2/2 https://su.figshare.com/articles/preprint/Residential_Context_and_COVID-19_Mortality_among_the_Elderly_in_Stockholm_A_population-based_observational_study/12612947/1 …

          2 replies 13 retweets 36 likes
        3. Eli Perencevich, MD MS 🧼  😷‏Verified account @eliowa 4 Aug 2020
          Replying to @MartinKulldorff @mugecevik

          What’s your epi interpretation of this data? Kids don’t spread respiratory viruses? Not a hill I’d want to die on. Seems everyone is desperate for your conclusion though.

          1 reply 0 retweets 2 likes
        4. Show replies

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