According to relevant data, there is an epidemic in Debon, the hub of Tianjin. According to Tianjin Epidemic Prevention and Control Headquarters, from 0: 00 to 24: 00 on October 22, 2022 10, the city's disease control departments reported 54 new cases of COVID-19 nucleic acid positive infection. Among them, 4 cases were diagnosed (all mild) and 50 cases were asymptomatic. Among them, COVID-19 was newly infected in Xiqing District of Tianjin. Because Debon, the hub of Tianjin, is in Xiqing District, there is an epidemic in Debon, the hub of Tianjin.