AUTHOR=Leceta Javier , Galindo-Villegas Jorge TITLE=Editorial: Overcoming challenges in mucosal immunity: 2022 JOURNAL=Frontiers in Immunology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2023.1327091 DOI=10.3389/fimmu.2023.1327091 ISSN=1664-3224