Claim: The Pfizer/BioNTech COVID-19 vaccine showed a final efficacy of 91% against symptomatic illness in its phase 3 trial. Social media posts wrongly claim recently released Pfizer documents show the vaccine is "12% effective." That appears to be a misreading of data released more than a year ago.
Fact-check: Pfizer Documents Show Vaccine Is Highly Effective, Contrary to Social Media Posts - FactCheck.org
Verdict: the pfizer/biontech covid-19 vaccine showed a final efficacy of 91% against symptomatic illness in its phase 3 trial. social media posts wrongly claim recently released pfizer documents show the vaccine is "12% effective." that appears to be a misreading of data released more than a year ago.
Organisation: FactCheck.org
Author: Lori Robertson
Date published: 2022-05-16T18:34:49