There are four general differences between the novel coronavirus and influenza: 1. Influenza is caused by influenza viruses, which commonly include influenza A and B. The new coronavirus is caused by a new type of coronavirus infection. 2. The time of onset is different. Influenza can be caused throughout the year without a specific outbreak time, while the new coronavirus was an outbreak in December 2019. 3. The symptoms of illness are different. Influenza is a systemic symptom, usually manifested as fever, malaise, headache and other conditions. After being infected by the new coronavirus, in addition to fever, malaise and other symptoms, more respiratory symptoms, such as difficulty in breathing, shortness of breath, severe cases will have acute respiratory distress syndrome, and even life-threatening. 4. The susceptible groups are different. The susceptible population of influenza is children and the elderly, while the susceptible population of the new coronavirus is the whole population.