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At the end of 2019, Severe Acute Respiratory Syndrome (SARS) of coronavirus 2SARS-CoV-2) emerged in Wuhan, Hubei Province, China, and infected over 16 million people around the world. Individuals with coronavirus disease 2019 (COVID-19) have an influenza-like illness and respiratory tract infections. We can categorize patients in three main groups: asymptomatic infected cases, patients with mild upper respiratory tract illness, and patients with severe viral pneumonia with respiratory failure. According to reports, almost 80% of cases are asymptomatic or show mild symptoms, 15% have severe symptoms, and the other 5% are critical cases requiring ventilation and life support.