When did the epidemic closure start?

The measures of city closure for COVID-19 epidemic began on June 20th, 2020. The implementation of the city closure ban in Wuhan marked the official entry of COVID-19 epidemic into the protection stage. Subsequently, corresponding prevention and control measures were taken nationwide, and the epidemic situation was gradually controlled. Until June 8, 2023, the prevention and control measures for Class A infectious diseases infected in COVID-19 were lifted, which marked the end of epidemic prevention and control in China. Novel coronavirus is called "COVID-19" for short, and the World Health Organization named it "20 19 coronavirus disease", which refers to the pneumonia caused by novel coronavirus infection in 20 19. Since 20 19 and 12, many cases of unexplained pneumonia with a history of exposure to the seafood market in South China have been found in some hospitals in Wuhan, Hubei Province, and were diagnosed as 2065438+.