Evaluation of effectiveness of COVID-19 Vaccination: Set Theory, rigorous statistical methods and actual evidence-based medicine demonstrates that the paper published in The Lancet claiming that COVID-19 vaccines saved 14 million lives is incorrect, based on completely flawed methods and data.
From the perspective of set theory, the world population can be understood as a set of A with N elements. With COVID-19 vaccination, set A was divided into two subsets: subset vaccinated and subset unvaccinated. When evaluating the effectiveness of COVID-19 vaccination the entire set A has to be put under the evaluation. If one evaluates only the subset vaccinated, this is a fatal mistake that generates erroneous results.
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