Vaccine Success Undercut By Low Power Trial Results
Two potential vaccines for the COVID-19 virus have been announced from Pfizer/BioNTech and Moderna pharmaceuticals with success rates of 95% and 90% respectively. For the Pfizer/BioNTech messenger RNA (mRNA) drug, BNT162b2, it was tested in an equal split, double-blinded trial, and 169 placebo recipients would test positive for COVID-19, whereas only 9 …
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4 years ago · Llewellyn Jones
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