According to the fifth edition of the latest version of the treatment guidelines, patients with novel coronavirus pneumonia are likely to have respiratory distress one week after the onset of the disease, especially for patients with severe or critical illness, which is not usually evident in mild cases. Complications such as acute respiratory distress syndrome, sepsis, and metabolic acidosis may still require attention if they occur. Usually at first it is fever, dry cough and weakness, further 3-7 days if there is progressive dyspnea, or sleep is affected, poorer mental status, poorer nasal condition, etc., it is still advisable to visit the fever clinic promptly, it is likely to be infected with new coronavirus pneumonia. Content source: Dr. You Lai