Martin Kulldorff on Twitter: "Last year, #COVID18 peaked in April, so current US/UK decline is due to increasing immunity from natural infection and vaccines. Soon, the seasonal decline will also kick in. The summer looks good.🙂"

@MartinKulldorff

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

Boston, USA

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1. Mrs M ‏ @MrsMertes Mar 13
  Replying to @MartinKulldorff
  
  Virus-wise: agree. Measures-wise: disagree. Sadly. PS: Thanks so much for your effort and energy!
  
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1. Fahrradfriese ‏ @FahrradFriese Mar 13
  Replying to @MartinKulldorff
  
  The "peak" last april might have been just a statistical artifact. I don't believe this virus to be "new" anymore.
  
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1. ontiptoes123‏ @ontiptoes123 Mar 13
  Replying to @MartinKulldorff
  
  Only looks good if we open in UK,as in many US states, Maryland included in the many now.Same species,same immune system. LD so dangerous,as now seeded into Nation;s psyche as a got-as if human race never survived viruses before 2019.Should have taken Swedish approach.
  
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1. Koen‏ @KoenSwinkels Mar 13
  Replying to @MartinKulldorff
  
  The virus was new last year (we assume). It got an earlier start this winter so we can't assume it will peak same time this year as it did last year.
  
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1. Peter ‏ @PleaseDoTheMath Mar 13
  Replying to @MartinKulldorff
  
  Except, your assuming data & rationality will matter..
  
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1. Rationalthinker‏ @Rationa60187928 Mar 13
  Replying to @MartinKulldorff
  
  It's crazy to me there are people out there denying the effect of seasonality on this (respiratory) virus.
  
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1. Jim Facette ‏ @JimFacette Mar 13
  Replying to @MartinKulldorff
  
  For some reason decision makers are not seeing it that way.
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1. Nenad Bakic‏ @nbakic Mar 13
  Replying to @MartinKulldorff
  
  IHME nad LSHTM couldn't agree more! They strongly believe in seasonality.http://www.healthdata.org/research-article/potential-future-covid-19-pandemic …
  
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