Martin Kulldorff on Twitter: "Vaccine passports/mandates are wrong. It is unscientific to demand people with prior COVID disease to be vaccinated. They already have excellent immunity."

@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. Fulvia‏ @Fu_invictus Jul 27
  Replying to @MartinKulldorff
  
  @ILupobianco
  
  1 like
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1. Fulvia‏ @Fu_invictus Jul 27
  Replying to @MartinKulldorff
  
  Thanks for bringing back science but also common sense
  
  28 likes
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1. JLD ‏ @JLD7078 Jul 27
  Replying to @MartinKulldorff
  
  Also makes so sense now due to breakthrough cases. Now everyone is the same.
  
  2 likes
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1. hodor_porter‏ @HodorPorter Jul 27
  Replying to @MartinKulldorff @stephanlivera
  
  Thank you, I do not hear enough people saying this.
  
  3 likes
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1. Elliot Pinto ‏ @CryptoQueen1984 Jul 27
  Replying to @MartinKulldorff
  
  Stop talking sense.
  
  2 likes
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1. Wendy #Socialist# Ivermectin ASAP‏ @kevinptrpn Jul 27
  Replying to @MartinKulldorff
  
  Thank you Martin. I have had antibodies for 16 months. I’m so angry as I’m now in quarantine after returning from holiday.
  
  2 replies 1 retweet 43 likes
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