2/n The paper is here. It is truly woeful, but worth reading just to see how easy it can be to make a plausible-sounding argument if you are very free with your methodologyhttps://www.mdpi.com/2076-393X/9/7/693/htm#B6-vaccines-09-00693 …
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13/n Vaccine event reporting systems are geared to identifying potential signals for alarm, and so usually anyone can report any event THAT HAPPENS AFTER VACCINATION to them
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14/n In other words, these are events FOLLOWING vaccination, not events CAUSED BY vaccination The website of the system even says this ~explicitly~pic.twitter.com/reRJm0N2JN
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15/n So while the Israeli study was an attempt to causally link vaccination with outcomes, the Dutch registry explicitly does not do this The deaths in this system may have nothing to do with the immunizations at all
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16/n Using reporting systems like this is a common anti-vaccine trope. We KNOW that many of the events in the reporting system ARE NOT LINKED TO VACCINATION because we investigate them carefully
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17/n Because of this, we have two awful, useless numbers being compared to each other. The true rate of deaths CAUSED by vaccines is 100sx lower than this paper calculates, and the number of deaths PREVENTED is 100sx higher
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18/n Taking the highest death rate seen caused by a vaccine so far - Astrazeneca - we'd get around 1 death per 500,000 vaccinations Using an NNTV assuming a 30% population prevalence, we'd get 1 life saved per ~500 vaccinations
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19/n Now, neither of these metrics are necessarily useful in this way, and people will yell at me for doing this (rightly, it's a bit silly), but EVEN USING THIS FLAWED RUBRIC vaccines save 1,000x more lives than they cost
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20/n Anyway, this study is flawed in so many basic ways that it's pretty irretrievable. It should be retracted as soon as possible to avoid further damage
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21/n Another note, H/T to
@ScottinVictoria - the reviewer comments are pretty astonishing to read. Not even a mention of why NNTV is worthless in this context, and no argument about the manifestly wrong use of adverse event reports https://www.mdpi.com/2076-393X/9/7/693/review_report …Show this thread -
22/n Also worth pointing out that two members of the editorial board of the journal have resigned so far because of this terrible studyhttps://twitter.com/ProfKatieEwer/status/1409125241142513670?s=20 …
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23/n also as a couple of people have pointed out, this tweet is incorrect. I mixed up the ARR of disease prevention with death, in actuality the ARR would approach the death rate in the population x 0.84 - in most places this would be about 1 per 100/200https://twitter.com/GidMK/status/1409293104063029252?s=19 …
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24/n Oh, and because it always comes up in these discussions, I've never been paid a cent by any pharmaceutical company, all of my funding is through the Australian state and federal governments, the only additional income I get is from writing locked posts on Medium
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25/n There is now an expression of concern published by the journal about the paperhttps://www.mdpi.com/2076-393X/9/7/705 …
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26/n An interesting point about this paper is that it's actually a perfect example of how peer-review can fail. The people who reviewed the article assumed that the stats and methodology were reasonable, and based on that assumption recommended that it be published
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27/n This is a prime example of what
@jamesheathers and I wrote about recently - the study got through peer review, may be retracted, but the damage has already very much been donehttps://www.statnews.com/2021/06/08/scientific-publishing-new-weapon-for-the-next-crisis-the-rapid-correction/ …Show this thread
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