1. Low-risk areas: For passengers coming to Chongqing from low-risk areas, please issue health codes or health codes according to the requirements of the staff. Those who come to Chongqing and return to Chongqing should also take the initiative to report to local communities (village committees), units and hotels at the first time.
2. The people who came to Chongqing and returned to Chongqing in the middle (high) risk area were subjected to centralized isolation medical observation until they left the risk area 14 days, and the nasopharyngeal swab nucleic acid was detected on the isolated 1 4 days, 7 days and 14 days. During the isolation period, if the middle (high) risk area is reduced to a low risk area, the isolation can be lifted after the nucleic acid test result is negative.