Review
Copyright ©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Clin Cases. Jan 6, 2021; 9(1): 8-23
Published online Jan 6, 2021. doi: 10.12998/wjcc.v9.i1.8
COVID-19: An overview and a clinical update
Arunkumar Krishnan, James P Hamilton, Saleh A Alqahtani, Tinsay A Woreta
Arunkumar Krishnan, James P Hamilton, Saleh A Alqahtani, Tinsay A Woreta, Division of Gastroenterology and Hepatology, Johns Hopkins School of Medicine, Baltimore, MD 21287, United States
Saleh A Alqahtani, Liver Transplant Center, King Faisal Specialist Hospital & Research Center, Riyadh 12713, Saudi Arabia
Author contributions: Krishnan A contributed to the conception, drafting the work and revising it critically for important intellectual content; Woreta TA contributed to the conception, revising it critically for important intellectual content and final approval of the version to be published; Hamilton JP and Alqahtani SA contributed to revising it critically for important intellectual content.
Conflict-of-interest statement: None declared.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/
Corresponding author: Arunkumar Krishnan, MBBS, Doctor, Research Fellow, Division of Gastroenterology and Hepatology, Johns Hopkins School of Medicine, 600 Wolfe Street, Hal 407, Baltimore, MD 21287, United States. dr.arunkumar.krishnan@gmail.com
Received: September 8, 2020
Peer-review started: September 8, 2020
First decision: October 18, 2020
Revised: October 30, 2020
Accepted: December 6, 2020
Article in press: December 6, 2020
Published online: January 6, 2021
Processing time: 114 Days and 21.1 Hours
Core Tip

Core Tip: Coronavirus disease-2019 (COVID-19) is an emerging, rapidly evolving disease that spreads rapidly worldwide. Our understanding of COVID-19 is changing very rapidly, and the discovery of new findings occurs daily. So, clinicians must update themselves regularly. This review makes an effort to summarize the epidemiology, clinical manifestations, management of COVID-19 based on the current evidence.