Legal analysis: For low-risk returnees from outside the province, if the nucleic acid test result is effectively negative within 7 days or the health "green code" containing the information of negative results of nucleic acid test within 7 days, they will be monitored at home for 14 days, and the nucleic acid test will be conducted for 1 time on the 7th and 4th days respectively. If the time for returning home is less than 7 days or 14 days, the actual home health monitoring shall be implemented. During the period, take Qingfei Paidu Decoction for one course (4-6 days, 100ml/ adult, twice a day).

Legal basis: People's Republic of China (PRC) Law on the Prevention and Control of Infectious Diseases.

Twelfth all units and individuals in People's Republic of China (PRC) must accept the prevention and control measures such as investigation, inspection, sample collection and isolation treatment of infectious diseases by disease prevention and control institutions and medical institutions, and provide relevant information truthfully. Disease prevention and control institutions and medical institutions shall not disclose relevant information and materials involving personal privacy.

Where the administrative department of health and other relevant departments, disease prevention and control institutions and medical institutions illegally implement administrative management or prevention and control measures and infringe upon the legitimate rights and interests of units and individuals, the relevant units and individuals may apply for administrative reconsideration or bring a lawsuit according to law.

Article 17 The State shall establish a monitoring system for infectious diseases.

The health administrative department of the State Council formulated the national infectious disease monitoring plan and scheme. The health administrative departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government shall, according to the national infectious disease monitoring plans and plans, formulate the infectious disease monitoring plans and work plans in their respective administrative regions.

Disease prevention and control institutions at all levels monitor the occurrence and prevalence of infectious diseases and the factors affecting their occurrence and prevalence; Monitor infectious diseases that have occurred abroad, not yet occurred in China or newly occurred in China.