New coronavirus pneumonia, that is, new coronavirus pneumonia, this disease may have clinical symptoms of fever, while the body temperature of 37.3 ℃ is a low fever, but can not be based solely on the temperature to determine whether the new coronavirus pneumonia, but should also be combined with the epidemiological history, other clinical manifestations, and pathogenetic or serological examination to carry out a comprehensive diagnosis. 1. Epidemiological history: mainly including whether there is a history of travel or residence in the community where the case was reported within 14 days prior to the onset of the disease, or a history of contact with new coronavirus-infected or asymptomatic infected people. 2. Other clinical manifestations: In addition to fever, whether there are other respiratory symptoms and other clinical manifestations related to new coronavirus pneumonia, such as dry cough, fatigue, smell and taste impairment, myalgia and diarrhea. 3. Pathogenetic or serologic examination: for the final confirmation of the diagnosis, including real-time fluorescence RT-PCR detection of new coronavirus nucleic acid positive, or new coronavirus specific IgM antibody and IgG antibody positive, and viral gene sequencing and the known new coronavirus high homology, and so on. Patients with a body temperature of 37.3°C who have the above epidemiologic history or other relevant clinical manifestations should also be promptly and aggressively referred to a doctor for exclusion and nucleic acid testing, and once diagnosed, they should also be immediately placed in isolation for treatment. Tip: “New coronavirus pneumonia” and “new coronavirus pneumonia” mentioned in this article were renamed to “new coronavirus infection” on December 26, 2022, as announced by the National Health Commission.