COVID-19 and the Digestive System.

"CONFLICTS OF INTEREST Guarantor of the article: Hu Zhang, MD, PhD. Specific author contributions: H.Z. researched data and outlined the article. C.X.M. researched data for the article and wrote the manuscript. H.Z. and Y.Z.C. reviewed/edited the manuscript before submission. Financial support: H.Z. is supported by grants from the National Natural Science Foundation of China (grant number: 81570502) and the 1.3.5 Project for Disciplines of Excellence, West China Hospital, Sichuan University (grant number: ZYJC18037). Potential competing interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"Financial support: H.Z. is supported by grants from the National Natural Science Foundation of China (grant number: 81570502) and the 1.3.5 Project for Disciplines of Excellence, West China Hospital, Sichuan University (grant number: ZYJC18037)."