AUTHOR=Stavropoulou Elisavet, Bezirtzoglou Eugenia TITLE=Probiotics as a Weapon in the Fight Against COVID-19 JOURNAL=Frontiers in Nutrition VOLUME=7 YEAR=2020 URL=https://www.frontiersin.org/articles/10.3389/fnut.2020.614986 DOI=10.3389/fnut.2020.614986 ISSN=2296-861X