AUTHOR=Hemilä Harri , Chalker Elizabeth TITLE=Commentary: Vitamin C supplementation for prevention and treatment of pneumonia JOURNAL=Frontiers in Medicine VOLUME=7 YEAR=2021 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2020.595988 DOI=10.3389/fmed.2020.595988 ISSN=2296-858X