Clinical Characteristics and Risk Factors of Mortality Among Severe COVID-19 Patients Research Authors Reham Mohamed Elmorshedy, Maha Mohamed El-kholy, Alaa Eldin AbdelMoniem, Shimaa Abbas Hassan, Samiaa Hamdy Sadek Research Date Tue, 8 Feb 2022 - 12:00 Research Department Department of Chest Diseases Research Member Shimaa Abbas Hassan Hussein Research Year 2022