Novel coronavirus belongs to coronavirus, which is a large group of viruses, including SARS virus, which is also a type of coronavirus, while novel coronavirus was not found in the past, and this is a newly discovered coronavirus, so it is called novel coronavirus. In addition, the main target organ of the novel coronavirus is the lung, so the disease is now called novel coronavirus pneumonia. The exact meaning, virus characteristics, and target organs are described in this name. So SARS is also a novel coronavirus, but it is two different types of viruses from the novel coronavirus. Content source: Dr. You Lai