ABSTRACT
On December 8,2019, the first case of unexplained pneumonia was found in Wuhan, Hubei Province, China. Genetic analysis and virus isolation confirmed that the disease was caused by a new coronavirus. From mid-January 2020, the epidemic rate of the disease in China has accelerated and some cases have been transmitted abroad through tourism, and by the end of mid-April, more than 200 countries and regions have reported cases of the disease imported and caused locally. As of 11:30 April 24, the number of new coronavirus infections worldwide exceeded 2.64 million, with more than 100,000 associated deaths. A brief review of the pathogen, epidemiological characteristics, clinical treatment and prevention and treatment of the disease (COVID-19) is presented.