Since December 2019, there have been many cases of viral pneumonia in Wuhan city, a pathogen found in these patients belongs to the coronavirus, a new strain of coronavirus that has never been found in human beings, so it was eventually named as a new coronavirus, and the pneumonia caused by it is called new coronavirus pneumonia. After infection, patients mainly show respiratory symptoms, such as fever, dry cough, and fatigue, and because it mainly attacks the lower respiratory tract, patients may have difficulty breathing in the later stages of the disease, and may even progress to respiratory distress and death. Currently there is no specific drug can cure it, so you should do a good job of prevention, wear a good mask when you go out, to wash your hands.