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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
    5. 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 …

      2 replies 5 retweets 16 likes
      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 …

      9:20 AM - 4 Aug 2020
      • 13 Retweets
      • 36 Likes
      • Gil The Shroff Hampus Eckerman Kristian Alvarez Jörgensen 🇬🇹 🇸🇪 B Olivier de Rooij Frank S. Drescher War Of Nutrition Dave
      2 replies 13 retweets 36 likes
        1. New conversation
        2. 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
        3. Martin Kulldorff‏ @MartinKulldorff 5 Aug 2020
          Replying to @eliowa @mugecevik

          As an MD you obviously know that children can spread respiratory viruses. So, I do not understand why you are asking the 2nd question. During a pandemic, it is important not to generate misunderstandings/misinformation.

          1 reply 0 retweets 7 likes
        4. Show replies
        1. New conversation
        2. James Carter‏ @puglet 5 Aug 2020
          Replying to @MartinKulldorff @eliowa @mugecevik

          Might want to factor all data in. Here is morbidity rate. Sweden doesn’t shine (higher than US) and infection rate is highest among Scandinavians (+ Swiss & UK for comp). They admit that initial herd immunity assumptions were inaccurate. There is no unifying solution to this.pic.twitter.com/WACmSDH3ux

          1 reply 0 retweets 2 likes
        3. Martin Kulldorff‏ @MartinKulldorff 5 Aug 2020
          Replying to @puglet @eliowa @mugecevik

          Hi James. Thanks for commenting. Since many cases are only mildly symptomatic or asymptomatic, the rate of deaths/known cases is to a large extent driven by how much testing is done in different countries. Hence, not a very useful metric.

          0 replies 0 retweets 8 likes
        4. End of conversation

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