1. 14 day centralized isolation and 7 days health monitoring shall be carried out for those who have been to or passed through the middle and high risk areas.
2. Conduct 7-day centralized isolation and 7-day home health monitoring for the outflow personnel in the counties (cities, districts) where the high-risk areas are located, and conduct 1 nucleic acid detection on the 65438th, 4th and 7th days of centralized isolation and the 7th day of home health monitoring respectively.