AUTHOR=Daenen Katrijn , van Hooijdonk Samantha , Tong-Minh Kirby , Dik Willem A. , van Hagen Petrus M. , Huijben Jilske A. , Gommers Diederik , van Gorp Eric C. M. , Endeman Henrik , Dalm Virgil A. S. H. TITLE=Exploring lymphocyte subsets in COVID-19 patients: insights from a tertiary academic medical center with a high proportion of patients on immunosuppression JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1436637 DOI=10.3389/fimmu.2024.1436637 ISSN=1664-3224