• Ebrahim Abbasi-Oshaghi, Fatemeh Mirzaei, Farhad Farahani, Iraj Khodadadi, and Heidar Tayebinia.
• Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran; Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. Electronic address: a.oshaghi@umsha.ac.ir.
• Int J Surg. 2020 Jul 1; 79: 143-153.

AbstractSince December 2019, more than 3 million cases of coronavirus disease 2019 (COVID-19) and about 200,000 deaths have been reported worldwide. The outbreak of this novel disease has become a global health emergency and continues to rapidly spread around the world. Based on the clinical data, approved cases are divided into four classes including mild, moderate, severe, and critical. About 5% of cases were considered critically ill and 14% were considered to have the severe classification of the disease. In China, the fatality rate of this infection was about 4%. This review focuses on currently available information on the etiology, clinical symptoms, diagnosis, and mechanism of action of COVID-19. Furthermore, we present an overview of diagnostic approaches and treatment of this disease according to available findings. This review paper will help the physician to diagnose and successfully treat COVID-19.Copyright © 2020 IJS Publishing Group Ltd. Published by Elsevier Ltd. All rights reserved.

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