AUTHOR=Wen Yanling , Zhao Juanjuan , Zhang Zheng TITLE=Heterogeneity and longitudinal transcriptomic characteristics of Tregs in COVID-19 patients JOURNAL=Frontiers in Immunology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1548173 DOI=10.3389/fimmu.2025.1548173 ISSN=1664-3224