There's been a lot of talk about COVID-19 vaccines, and whether they really save lives So I wrote about how we know that they definitely dohttps://gidmk.medium.com/covid-19-vaccines-save-lives-44fb3908ba82 …
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Replying to @GidMK
What about the relative and absolute risk with these vaccines. As usual only the relative risk has been marketed to people.
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Replying to @CJforeveryoung
It's an interesting question! In this case, absolute risk from short studies is actually somewhat misleading - as time tends to infinity, the risk of being infected (without vaccination) by COVID-19 tends towards 1, which means that absolute risk->relative risk
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Replying to @GidMK
Thanks I'll trot off and get my head around that

is it fair to say with such short study and a novel virus, there a lot of unknowns in general. An evolving situation?1 reply 0 retweets 1 like -
Replying to @CJforeveryoung
At this point, the studies aren't short! We've now got 10-12 months of data on side-effects from the large RCTs and safety information from 100s of millions of doses. While there are unknowns, they are fast shrinking
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Replying to @GidMK
But with no controls groups left and weak passive reporting systems, I'm not sure this can be relied up as robust science. Can we compare a normal/standard vaccine trial to it in all honesty? Sorry, I've always questioned everything. Drove my mother crazy!
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Not sure what you mean by no control groups - still plenty of people unvaccinated and trials are ongoing! And we definitely can compare, in most respects the Covid-19 vaccine trials were far better than your average trial
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