Colds are characterized by fever whose temperature is not high, usually less than 39 ° C, which does not last long, and the symptoms of fever can be relieved in 2-3 days. It is accompanied by kala-azar symptoms, i.e., runny nose, sneezing, and sore throat. If the patient’s blood is checked, the white blood cells are not high, but the proportion of lymphocytes is increased, and the CT of the lungs does not show any obvious changes. However, the clinical manifestations of novel coronavirus pneumonia are mainly lower respiratory tract infection, manifested by fever, which lasts for a relatively long time, at least more than 3 days, and is accompanied by symptoms of malaise, while symptoms of runny nose and sneezing are not obvious, and the main symptom is dry cough. Blood test will find that the elevation of leukocytes is not obvious, and the lymphocytes will show a progressive decline. If the lung CT will find the chest and double lung hairy glass-like fuzzy changes. So there is a clear difference between the two diseases. Source: Dr. Yurai