AUTHOR=Xu Zhenming , Boothby Mark R. , Chaudhuri Jayanta TITLE=Editorial: B Cell Activation and Differentiation: New Perspectives on an Enduring Topic JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.797548 DOI=10.3389/fimmu.2021.797548 ISSN=1664-3224