Legal analysis: Those who have lived in key areas in China and come (return) to Hubei from areas where high-risk areas are located in China will be subject to centralized isolation medical observation until they leave the local area 14 days. After the expiration of centralized isolation medical observation, it was observed at home for 14 days. In other parts of China, no matter whether there is an epidemic situation in the local area, the negative certificate of nucleic acid test is checked within 48 hours, 1 nucleic acid test is carried out within 24 hours after arrival, community health monitoring is carried out for 14 days, and 1 nucleic acid test is carried out every 7 days. From a province where there is no local epidemic within 14 days, check the 48-hour negative certificate of nucleic acid detection. If they can't provide it, conduct 1 nucleic acid test within 24 hours of their residence. For people from land border counties (cities, districts) or provinces with local epidemics within 14 days, "14-day centralized isolation medical observation+14-day home isolation medical observation" shall be implemented in the control area determined by the provincial epidemic prevention and control headquarters; In other areas, it is necessary to check the negative certificate of 48-hour nucleic acid test, carry out 1 nucleic acid test within 24 hours of residence, carry out community health monitoring 14 days, and carry out 1 nucleic acid test every 7 days.
Legal basis: Article 31 of the Emergency Regulations on Public Health Emergencies. Before the emergency plan is launched, the relevant departments of the people's governments at or above the county level shall make good preparations for emergency handling and take necessary emergency measures according to the actual situation of emergencies. After the emergency plan is started, the relevant departments of the people's government at the place where the emergency occurs shall, in accordance with the requirements of the responsibilities stipulated in the plan, obey the unified command of emergency headquarters, immediately arrive at the designated post and take relevant control measures. Medical and health institutions, monitoring institutions and scientific research institutions should obey the unified command of emergency headquarters, cooperate with each other, and concentrate on carrying out relevant scientific research.