Where is the latest news of Ningbo epidemic?
All 4 cases were at the centralized isolation point. According to relevant public information, as of September 5, 2022, there were 4 newly confirmed cases of COVID-19 in Ningbo (all closed-loop managers of isolation points, and centralized isolation control was implemented as the first case on August 14, 2022, and there was no risk of social transmission in routine nucleic acid detection of centralized isolation points); Asymptomatic infected persons imported from New Crown Pneumonia 1 person (imported from South Korea, no close contacts in this city).