Covid Vax - Absolute Efficacy vs Relative Efficacy

First published at 19:16 UTC on December 3rd, 2021.

When Pfizer launched its vaccine they told the world that it had a relative efficacy of 95%. Some months later the Lancet pointed out that it had an absolute efficacy of only 0.84%. Both values were correct, but which was informative. Did Pfizer ove…

CategoryScience & Technology
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