AUTHOR=Zhou Xuyu , Zhao Jingxian , Li Bin , Tai Xuguang TITLE=Editorial: Revisit the roles of regulatory T cells in infection JOURNAL=Frontiers in Immunology VOLUME=Volume 13 - 2022 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.1069344 DOI=10.3389/fimmu.2022.1069344 ISSN=1664-3224 ABSTRACT=Although Tregs are essential for preventing autoimmunity, their functionality in modulating the immune response against foreign antigens remains poorly defined. A series of recent contributions in Frontiers in Immunology have discussed the potential role of Treg response for foreign antigens in various settings, including infections and vaccination.