1. Carry out 3-day daily health monitoring for people in low-risk areas of domestic epidemic situation, and implement "three days and two inspections".
2. The people in the epidemic risk areas in China were observed at home for 7 days, and 1 nucleic acid was detected on 1, 4 and 7 days respectively. Subsequent implementation of standardized nucleic acid detection.
3. Carry out centralized isolation medical observation for 7 days for people in high-risk areas of epidemic situation in China, and carry out 1 nucleic acid detection on days 1, 2, 3, 5 and 7 respectively (the management period starts from leaving the risk area). Subsequent implementation of standardized nucleic acid detection.