Researchers Find ‘Healthy Vaccinee Bias’ May Have Led to Inflated Efficacy Claims of Pfizer’s C-19 Booster
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In a Letter to the Editor published in the New England Journal of Medicine (NEJM) on July 20, epidemiologist Dr. Tracy Høeg, physician-scientist Dr. Vinay Prasad, and Dr. Ram Duriseti from Stanford School of Medicine stated that a 2021 Israeli study on Pfizer’s COVID-19 booster may have overestimated the vaccine’s effectiveness by concluding those who r…
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