EARLY RELEASE: Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19-Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity - Nine States, January-September 2021

Published on October 29, 2021

This report describes mRNA COVID-19 vaccine recipients as having greater immunity from COVID-19 infection than previously infected, unvaccinated persons.