Epidemic analysis of COVID-19 in China after Wuhan was restricted

Abstract BackgroundIn December 2019, Coronavirus Disease 2019(COVID-19) caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection appeared in Wuhan, Hubei Province, China. The disease is highly infectious. Wuhan, Hubei Province decided restrict personnel movement on January 23.We analyze relevant data to show the situation of the COVID-19 epidemic in China.MethodsThe data was classified according to Hubei group, non-Hubei group, Hong Kong, Macao and Taiwan group, and Chinese Mainland group, and analyze the current situation and trend of the epidemic.ResultsThere was an explosive growth in the early stage of the epidemic. The epidemic situation began to improve in about two weeks after Wuhan was restricted,and the situation in non-Hubei was significantly better than that in Hubei.ConclusionThe blockade of Wuhan was a correct decision, cut off the outflow of tinfection sources, and the epidemic situation in all places turned around after the incubation period.