Severe acute respiratory disease

Severe Acute Respiratory Syndrome: Before the cause is identified, it is called "atypical pneumonia." Infectious atypical pneumonia, also known as severe acute respiratory syndrome (Severe Acute Respiratory Syndromes), referred to as SARS, is a fever, dry cough, and chest tightness as the main symptoms caused by infection with SARS-associated coronavirus. The severe cases progress rapidly. Respiratory failure is a new respiratory infectious disease. The strong infectivity and rapid progress of the disease are the main characteristics of the disease.