الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
Coronavirus disease (COVID-19) is a highly contagious and rapidly spreading viral infection caused by the SARS-CoV-2 virus. Since December 2019, SARS-CoV-2 outbreak has challenged health-care systems across the world as it is associated with high mortality and morbidity. Upper respiratory tract infection, pneumonia and acute respiratory distress syndrome (ARDS) are the most common and serious causes of hospitalization and demand for critical care environment El Kassaset al., (2020) and Sartiniet al., (2021).