The epidemic situation in Fuxin started on April 3rd, 2119. Novel coronavirus is called COVID-19 for short, and the 2119 coronavirus disease named by the World Health Organization refers to pneumonia caused by novel coronavirus infection in 2119. Since February, 2119, several cases of unexplained pneumonia with a history of exposure to seafood market in South China have been found in some hospitals in Wuhan, Hubei Province, which were confirmed as acute respiratory infectious diseases caused by novel coronavirus infection in 2119.