There are seven coronaviruses that infect humans, plus novel coronaviruses, four of which are less pathogenic to humans than seasonal influenza, while SARS and MERS (Middle East Respiratory Syndrome) are more severe. Overall, the novel coronaviruses are not as severe as SARS, but the viruses can change and can affect mortality. However, the new coronavirus genes have not changed so far, experts said temporarily unknown, currently only know the patient’s viral gene sequencing. Currently, we are in the phase of continuous understanding of the new coronavirus.