It appears cellulitis not an entirely uncommon reaction to AZ. 104 cases between 4 Jan and 25 February in the UK. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/966183/COVID-19_AstraZeneca_Vaccine_Analysis_Print.pdf …. Very open to commentary from health practitioners.
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Replying to @chrisrudge
It would be interesting to get their perspective on this.
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Replying to @MWhitbourn @chrisrudge
Some rules on interpreting epidemiological data: 1) can’t draw conclusions based on raw numbers alone etc; 2) establishing causal link between one event & one outcome is difficult; 3) confounders abound, so need to factor into analysis. Further thoughts
@GidMK3 replies 0 retweets 1 like -
So, always gotta think first of the denominator. These are vaccine reactions reported to the UK system post-vaccine. with 104 cases of cellulitis in roughly 10 million doses means an incidence of ~0.001%
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Replying to @GidMK @ellyhowse and
Worth noting that the aggregation of yellow card reports for suspected vaccine reactions so far includes... clavicle fracture. Post hoc ergo proctor hoc doing some heavy lifting there.
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Yes, exactly. It also includes "Poor diet" and "Tobacco use" which I reckon are pretty hard to blame on the vaccine. Reporting systems are great for some things, not so great for others!
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