Effectiveness of a Third Dose of mRNA Vaccines Against COVID-19-Associated Emergency Department and Urgent Care Encounters and Hospitalizations Among Adults During Periods of Delta and Omicron Variant Predominance – VISION Network, 10 States, August 2021-
Authors: Fireman, Bruce; Goddard, Kristin S; Klein, Nicola P; Lewis, Edwin M; Zerbo, Ousseny | Mmwr. Morbidity And Mortality Weekly Report | January 21, 2022 | PubMed abstract