AUTHOR= Frontiers Production Office TITLE=Erratum: Administration of Multivalent Influenza Virus Recombinant Hemagglutinin Vaccine in Combination-Adjuvant Elicits Broad Reactivity Beyond the Vaccine Components JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.754535 DOI=10.3389/fimmu.2021.754535 ISSN=1664-3224