The symptoms of the new coronavirus pneumonia are partially different from those of the SARS virus pneumonia in 2003, which was mainly characterized by a significant fever 2-3 days after the onset of the disease, a higher degree of fever, more severe respiratory distress and a relatively serious condition. The symptoms of the new coronavirus pneumonia are relatively mild, and the respiratory symptoms are also relatively mild, and the onset of symptoms generally begins to appear about 1 week after the onset of the disease, and the respiratory symptoms are milder than those of SARS, which is characterized by a longer duration of fever. In addition, the common cold is generally 2-3 days after the onset of the body temperature recovery, and mainly above the respiratory tract infection, manifested as a runny nose, cough symptoms are more obvious, while the clinical manifestations of the new coronavirus and the common cold is not the same. Content source: Dr. You Lai