AUTHOR=Hemilä Harri , Chalker Elizabeth TITLE=Commentary: The Long History of Vitamin C: From Prevention of the Common Cold to Potential Aid in the Treatment of COVID-19 JOURNAL=Frontiers in Immunology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2021.659001 DOI=10.3389/fimmu.2021.659001 ISSN=1664-3224