A cough without other symptoms is not sufficient to diagnose novel coronavirus pneumonia. The new coronavirus is the first human exposure to a pathogenic microorganism, but it is related to the SARS or SRAS viruses and the Middle East Respiratory Syndrome (MERS) viruses, which belong to the genus Coronavirus. These viruses are characterized by a particular tendency to invade the lower respiratory tract, which is characterized by coughing, coughing up sputum, fever, and severe respiratory distress. In addition to coronaviruses, other pathogenic microorganisms, Streptococcus pneumoniae, Haemophilus influenzae, influenza, influenza A virus or other respiratory viruses can cause cough. In addition non-infectious diseases such as lung cancer, allergic asthma and chronic obstructive pulmonary disease can cause cough. Cough is the least specific symptom of the respiratory system and cannot be used as a basis for diagnosis of coronavirus. A thorough examination should be done to determine whether or not you are infected with the new coronavirus. Source: Dr. Yurai