Tag Archives: preprint

Pfizer COVID-19 vaccine efficacy drops to 84% after 6 months, preprint study suggests

A new study involving the Pfizer-BioNTech COVID-19 vaccine suggests the jab’s efficacy drops to around 84% about six months after the second dose. The study, which has not yet been peer-reviewed and was published on medRxiv, was supported by Pfizer and BioNTech, concluding that despite “a gradually declining trend in vaccine efficacy,” it still was… Read More »