AUTHOR=Leonardi Anthony J. , Argyropoulos Christos P. , Hamdy Adam , Proenca Rui B. TITLE=Understanding the Effects of Age and T-Cell Differentiation on COVID-19 Severity: Implicating a Fas/FasL-mediated Feed-Forward Controller of T-Cell Differentiation JOURNAL=Frontiers in Immunology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.853606 DOI=10.3389/fimmu.2022.853606 ISSN=1664-3224