AUTHOR=Ma Chunxiang , Dong Weiguo , Shen Bo , Zhang Hu TITLE=Editorial: COVID-19 and the Digestive System JOURNAL=Frontiers in Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2022.875063 DOI=10.3389/fmed.2022.875063 ISSN=2296-858X