Outbreak time of Shanghai epidemic

At the beginning of March 2022. Since the sudden increase of 1 case on March, 2022, dozens of cases of infection have been added in the first half of the month, and many communities, office buildings, schools and hospitals have been temporarily closed. On March 1 1, Shanghai announced the origin of this round of local epidemic: the virus carried by imported cases from abroad polluted the environment, and the local infection and spread were caused by the negligence in the management of the isolation hotel Hua Ting Hotel. Gu Honghui, Deputy Secretary-General of Shanghai Municipal Government and Director of the Office of the Municipal Leading Group for Epidemic Prevention and Control, further pointed out that the incident had a great impact and a profound lesson. We should conscientiously learn lessons, strictly implement the closed-loop management of staff in high-risk posts such as isolation points, and set up an investigation team to carry out special investigations.