AUTHOR=Cloeckaert Axel , Guzmán-Verri Caterina TITLE=Editorial: Insights in infectious agents and disease: 2021 JOURNAL=Frontiers in Microbiology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2023.1239050 DOI=10.3389/fmicb.2023.1239050 ISSN=1664-302X