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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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    David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

    David Gorski, MD, PhD Retweeted Jay Gordon, MD, FAAP

    This is a far more complex question than Dr. Jay appreciates. The current vaccine schedule is the product of decades of evolution in which ACIP meets multiple times a year to review risk of disease, new evidence re: vaccine efficacy and safety, new scientific studies, etc. 1/https://twitter.com/JayGordonMDFAAP/status/1148658056919576576 …

    David Gorski, MD, PhD added,

    Jay Gordon, MD, FAAP @JayGordonMDFAAP
    A serious request, can you point me to the original research upon which our current (CDC) schedule is based? I am mostly aware of literature discussing the different ways a baby's immune system responds to illness and vaccination at early stages. @AboutPediatrics @gorskon https://twitter.com/PedsGeekMD/status/1148647943823663104 …
    12:39 PM - 9 Jul 2019
    • 6 Retweets
    • 10 Likes
    • Justo L Calderón M Jesse Hackell Lili S. Dr Greig Lennon blah Sune Mølgaard SandyM EΨ=ĤΨ Captain Carter Stan Account🇬🇧(she/her)
    1 reply 6 retweets 10 likes
      1. New conversation
      2. David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

        Based on new studies that are coming in all the time, ACIP will tweak the recommended vaccine schedule (adding or removing boosters), add new vaccines, suggest different schedules, etc., taking into account disease prevalence, new outbreaks, etc. 2/

        1 reply 0 retweets 4 likes
        Show this thread
      3. David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

        This is why different countries can look at the same scientific literature on vaccines and come up with different vaccine schedules, as I discussed here. In addition, practicalities of the health care systems in different countries have an influence. 3/https://sciencebasedmedicine.org/are-recommended-childhood-vaccine-schedules-evidence-based/ …

        1 reply 0 retweets 5 likes
        Show this thread
      4. David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

        For example, it’s important in Africa to get children fully immunized as early as is practical because they are more at risk, which might result in a different schedule because African babies aren’t available for well child visits at 2, 4, and 6 months. 4/

        1 reply 0 retweets 4 likes
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      5. David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

        Basically, vaccine schedules are science- and evidence-based, but also consider threat assessment, practicalities on the ground, and sometimes cost. They are being continually revised based on new evidence and changes "on the ground" (e.g., outbreaks). 5/

        1 reply 1 retweet 4 likes
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      6. David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

        Given that, it's not really possible to cite the "original" research upon which our schedule is based. That research is decades old and much is no longer relevant today, having been continually superseded year after year with new research building upon the old. 6/

        1 reply 0 retweets 5 likes
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      7. David Gorski, MD, PhD‏Verified account @gorskon 9 Jul 2019

        In iterative processes like developing and revising the vaccine schedule year after year, in essence the requirement is to continually review and rereview the entire scientific literature on vaccines AND consider changing conditions "on the ground." 7/7

        0 replies 0 retweets 8 likes
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      8. End of conversation

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