Effectiveness of Messenger RNA Coronavirus Disease 2019 (COVID-19) Vaccines Against Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection in a Cohort of Healthcare Personnel.
Melanie D SwiftLaura E BreeherAaron J TandeChristopher P TommasoCaitlin M HainyHaitao ChuM Hassan MuradElie F BerbariAbinash VirkPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)
In a large cohort of United States healthcare personnel without prior coronavirus disease 2019 (COVID-19) infection, 94 382 doses of messenger RNA (mRNA) COVID-19 vaccine were administered to 49 220 individuals. The adjusted vaccine effectiveness following 2 doses of each of the 2 available brands of mRNA vaccine exceeded 96%.