AUTHOR=Hmadcha Abdelkrim, Soria Bernat, Zhao Robert C., Smani Tarik, Valverde Israel TITLE=Editorial: A Compendium of Recent Research on Stem Cell-Based Therapy for Covid-19 JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/articles/10.3389/fcell.2021.813384 DOI=10.3389/fcell.2021.813384 ISSN=2296-634X