AUTHOR= Frontiers Production Office TITLE=Erratum: Follow Your Nose: A Key Clue to Understanding and Treating COVID-19 JOURNAL=Frontiers in Endocrinology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2021.830164 DOI=10.3389/fendo.2021.830164 ISSN=1664-2392