Suspicious cases included patients with a history of dry cough, chills or sore throat accompanying by shortness of breath with or without fever, patients with upper lower respiratory symptoms with radiological manifestations as single or double sided multilobular infiltrations on CT scan or plain chest radiography, any one that has a history of close contact with a definite COVID 19 case within the last 14 days, any one with a history of presence in COVID 19 epidemic regions within the last 14 days and patient with pneumonia that despite of proper treatment has an inappropriate clinical response and clinical condition becomes more severe in an unusual way or unexpectedly....