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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. Andrew Noymer‏ @AndrewNoymer 31 Jul 2020

      Andrew Noymer Retweeted Martin Kulldorff

      Two uses of "science" in everyday parlance. There is (1) a method of investigation of natural phenomena, and (2) a religion. Typically "science shows" something, it's second type. More socially acceptable in bougie circles to claim science than to say "I have a superstition".https://twitter.com/MartinKulldorff/status/1289104607428345857 …

      Andrew Noymer added,

      Martin Kulldorff @MartinKulldorff
      Wonderful that we have one governor in this country that follows the science rather than the media: "Science shows not going to school hurts kids more than COVID". https://twitter.com/govkristinoem/status/1288920548261552129 …
      2 replies 4 retweets 21 likes
    2. Martin Kulldorff‏ @MartinKulldorff 31 Jul 2020
      Replying to @AndrewNoymer

      Here is my usage: -Sweden never closed day-care/primary schools, with zero COVID19 deaths among 1.8 million children ages 1-15. So, less risk than annual flu. -Children greatly benefit from school. I am sure that you, an epidemiologist, agree with both. https://folkhalsomyndigheten.se/contentassets/c1b78bffbfde4a7899eb0d8ffdb57b09/covid-19-school-aged-children.pdf …

      4 replies 0 retweets 8 likes
    3. Andrew Noymer‏ @AndrewNoymer 31 Jul 2020
      Replying to @MartinKulldorff

      Kids don't die of COVID-19 (by and large). Kids die from influenza (regularly, esp 0–5). So it's not a v. interesting comparison. The reason to close schools has nothing to do w/kids, TBH. Whether or not to close schools is debatable, but it's good to have the right context.

      1 reply 0 retweets 2 likes
    4. Martin Kulldorff‏ @MartinKulldorff 31 Jul 2020
      Replying to @AndrewNoymer

      Teacher safety is another argument used against #OpenSchools. We can use same counterfactual/ref. 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. 1/4

      2 replies 0 retweets 0 likes
      Martin Kulldorff‏ @MartinKulldorff 31 Jul 2020
      Replying to @MartinKulldorff @AndrewNoymer

      Family safety is 3rd concern. Same counterfactual. Elderly living with working age family members plus children did not have higher risk than those living with working age family members without children. 2/4 https://su.figshare.com/articles/preprint/Residential_Context_and_COVID-19_Mortality_among_the_Elderly_in_Stockholm_A_population-based_observational_study/12612947/1 …

      1:44 PM - 31 Jul 2020
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Martin Kulldorff‏ @MartinKulldorff 31 Jul 2020
          Replying to @MartinKulldorff @AndrewNoymer

          Community transmission is 4th concern. If schools were drivers of the epidemic, teachers and elderly family members would have higher risk, but they don’t. #COVID19 is different from flu, where children are major spreaders. 3/4

          1 reply 0 retweets 0 likes
        3. Martin Kulldorff‏ @MartinKulldorff 31 Jul 2020
          Replying to @MartinKulldorff @AndrewNoymer

          Important concerns with #OpenSchools are (i) high-risk older teachers, who should work at home helping younger class-room teacher with grading etc, and (ii) plummeting vaccination rates during lockdown, risking outbreaks of e.g. measles or pertussis. 4/4https://www.cdc.gov/mmwr/volumes/69/wr/mm6919e2.htm …

          0 replies 0 retweets 0 likes
        4. End of conversation

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