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gorskon's profile
David Gorski, MD, PhD
David Gorski, MD, PhD
David Gorski, MD, PhD
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@gorskon

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David Gorski, MD, PhDVerified account

@gorskon

Surgeon/scientist promoting science in medicine and exposing quackery. Editor of Science-Based Medicine. My opinions do NOT represent those of my employers.

Michigan, USA
sciencebasedmedicine.org
Joined October 2009

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    1. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      They might have a point if VAERS were the only system in place to monitor vaccine safety, given that passive reporting systems do tent to underestimate AEs. (It’s not. More on that in a moment.) 6/

      1 reply 2 retweets 14 likes
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    2. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      Of course, antivaxxers also love to point to VAERS to make all sorts of ludicrous claims about vaccines having caused deaths, autism, etc. Here’s the thing. Anyone can report anything to VAERS. A VAERS report does NOT indicate causation. 7/

      1 reply 2 retweets 17 likes
      Show this thread
    3. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      Also, antivaxxers and their attorneys have tainted VAERS with a lot of claims that vaccines caused autism, making it basically useless as anything other than a hypothesis-generating database. 8/https://respectfulinsolence.com/2008/01/18/how-vaccine-litigation-distorts-the-vaer/ …

      1 reply 2 retweets 12 likes
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    4. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      Let’s just put it this way. If you’re not by a car after receiving a vaccine, that doesn’t mean the vaccine was responsible. 9/

      1 reply 2 retweets 12 likes
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    5. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      The CDC runs two other databases, both active reporting systems, meaning that the system actively looks for adverse events after vaccination. One is the Vaccine Safety Datalink (VSD). 10/ https://www.cdc.gov/vaccinesafety/ensuringsafety/monitoring/vsd/index.html …

      1 reply 2 retweets 12 likes
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    6. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      VSD is a collaborative project between CDC’s Immunization Safety Office and 8 health care organizations started in 1990. It’s used to research hypotheses coming from VAERS. 11/ https://www.cdc.gov/vaccinesafety/ensuringsafety/monitoring/vsd/index.html …

      1 reply 2 retweets 11 likes
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    7. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      Then there’s the Clinical Immunization Safety Assessment (CISA), also run by the CDC. It was established in 2001 to address the unmet vaccine safety clinical research needs, partnered with several academic medical centers and @kpnorcal. 12/ https://www.cdc.gov/vaccinesafety/ensuringsafety/monitoring/cisa/index.html …

      1 reply 1 retweet 9 likes
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    8. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      Finally, the FDA runs the Post-licensure Rapid Immunization Safety Monitoring System (PRISM) out of @FDACBER in collaboration with partners in the health care and medical insurance communities by analyzing health insurance claims. 13/

      1 reply 1 retweet 10 likes
      Show this thread
    9. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      PRISM is a "a powerful, computer-based system that separates critical bits of information from vast streams of health care data in order to investigate adverse events and determine if there is a connection to a specific vaccine." 14/ https://www.pharmacist.com/article/prism-identifies-vaccine-safety-issues …

      1 reply 1 retweet 11 likes
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    10. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      PRISM

      1 reply 0 retweets 6 likes
      Show this thread
      David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

      Oops. Prematurely hit the “Tweet button.” 🤦🏻‍♂️ In any event, the FDA used PRISM to identify a link between a rotavirus vaccine and an increased risk of intussusception in infants. 15/

      11:03 AM - 7 Dec 2019
      • 1 Retweet
      • 14 Likes
      • Robin Bloom Dr. Richard Pan 🇺🇸 💧 Ian "Department of Diseasology" 🍩 Musgrave Tronman Kat (she/her) ダニ●ガール Knancy Bosphiz
      1 reply 1 retweet 14 likes
        1. David Gorski, MD, PhD‏Verified account @gorskon 7 Dec 2019

          So, to conclude, @marwilliamson, like all antivaxxers, is utterly clueless about the multiple systems already in existence, one passive, and three active surveillance systems, to monitor vaccine safety in the US, and she just demonstrated it again. 16/16

          2 replies 7 retweets 41 likes
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