Those who return to Changde from the middle-high risk area adopt a comprehensive mode of centralized isolation, home monitoring and self-health monitoring, which is divided into seven days of centralized isolation and home monitoring, seven days of home monitoring and seven days of self-testing according to the situation. Specific isolation strategies are as follows:

1, 7-day isolation medical observation and 7-day home health for those who have lived in high school risk areas, closed control areas, crossed the track of positive testers or had the same exposure history in the past 14 days, 1 2, 3, 7, 10, 10 days.

2. In the past 14 days, people who have lived in cities where high-risk areas are located or counties and cities where potential risks are spread by communities in middle-risk areas have been monitored at home for 7 days and self-health for 7 days, and nucleic acid tests have been carried out for 3 times in 7 days, with 14 days as 1 time.

3. In recent 14 days, people who have lived in the city where the middle-risk area is located were monitored at home for 7 days and by themselves for 7 days, and nucleic acid detection was conducted twice every 3 days, once every 7 days and once every 7 days. Frequent visitors from provinces with local case reports. You need to have a negative nucleic acid test certificate within 48 hours to enter the routine, and then perform 1 nucleic acid test after landing, and 1 nucleic acid test on the seventh day.