Novel Coronavirus Pneumonia is an infectious disease, and the period of time from contact with the infectious agent until the onset of the disease is the incubation period. Clinically, it is generally necessary to trace the patient’s previous process of going out, that is, the history of going out, or whether there is a history of travel, whether there is contact with patients with pneumonia, whether there is contact with people in the infected area, or contact with patients with fever, until the time of the emergence of their own symptoms, to be designated as the incubation period. From the time of contact with the patient to the discovery of the symptoms of this period of time, the body’s performance should also be timely attention, because very often it is not the fever that develops, and even sometimes many patients may not have serious fever symptoms, may only be a low fever, but there will be dyspnea or breathlessness obvious, or a serious decline in energy should be considered to have been the onset of the disease, and this period of time and the contact with the distance between the incubation period. The incubation period does vary, and it is necessary to have the relevant symptoms and to consult a doctor in time in order to know the exact length of the incubation period. Source: Dr. Yurai