by Fernando P. Polack, S J Thomas, N Kitchin | Dec 20, 2022 | C19 (COVID-19), VC19 (VACCINES COVID-19), VE (VACCINE EFFECTIVENESS), VS (VACCINE SAFETY)
Motivation Supplementary appendix to the Pfizer phase 2/3 trial 2 month report – “Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine” published in the NEJM in December 2020. Author Polack FP, Thomas SJ, Kitchin N, et al. Submitted By Dr Herman...
by Fernando P. Polack, et al | Dec 20, 2022 | C19 (COVID-19), VC19 (VACCINES COVID-19), VE (VACCINE EFFECTIVENESS), VS (VACCINE SAFETY)
Motivation Pfizer vaccine phase 2/3 study, published in the NEJM in December 2020, that made the remarkable and misleading claim that the vaccine “was 95% EFFECTIVE in preventing Covid-19”. In fact the 95% was an EFFICACY calculation, based on the RRR of a...
