[This corrects the article DOI: 10.3389/fimmu.2022.1071204.].
Keywords: COVID-19; COVID-19 immune response; antibody levels; healthcare workers; mRNA vaccine against SARS-CoV-2.
Copyright © 2023 Owsianka, Pac, Jachowicz, Gutkowska, Szczuciński, Maziarz, Sochacka-Tatara, Heczko, Sydor, Żółtowska and Wójkowska-Mach.