Patients with novel coronavirus pneumonia present with fever and cough, which is often different from that of bacterial pneumonia. Most of the coughs of the patients with novel coronavirus pneumonia are mainly dry, with not a lot of sputum, and in more severe cases, white sputum, which may be bloodstained. However, it is not possible to identify whether the pneumonia is a new coronavirus pneumonia, a common cold, or influenza, or bacterial pneumonia by the nature of the cough, because each person has different symptoms, such as fever, and some patients with new coronavirus pneumonia may not have a fever, and some patients may have a very mild cough, but it does not mean that patients who do not have a fever and do not have a cough do not have a serious illness, and that those who have a low-grade fever or who do not have a fever have a chance of becoming more seriously ill. Content source: Dr. Yurai