Legal analysis: The food standard for isolated people in some areas is 150 yuan/person. Isolation measures mainly include: 1. All personnel from high-risk areas should report to their villages (communities), units or hotels (restaurants) at the first time, fulfill their civic responsibilities and cooperate with the implementation of prevention and control measures. 2. Implement "14+2" centralized isolation medical observation measures for flood victims in high-risk areas (centralized isolation 14 days, twice nucleic acid detection). 3. For close contacts and close contacts, all the centralized isolation medical observation measures of "14+3+ 1" and "7+ 1" were implemented (centralized isolation 14 days, during which nucleic acid was detected three times and antibody 1 time was detected; Plus 7 days of home observation or centralized isolation, after the expiration 1 nucleic acid detection). 4. Carry out "14+2" home medical observation measures for those who come (return) to Shanxi in the middle-risk area (home observation 14 days, twice detecting nucleic acid). Those who do not have the conditions for home observation will be subject to centralized isolation medical observation.

Legal basis: Article 5 of the Law of People's Republic of China (PRC) on the Prevention and Control of Infectious Diseases People's governments at all levels shall lead the prevention and control of infectious diseases.

The people's governments at or above the county level shall formulate plans for the prevention and control of infectious diseases and organize their implementation, and establish and improve the disease prevention and control, medical treatment, supervision and management systems for the prevention and control of infectious diseases.

Article 6 The health administrative department of the State Council is in charge of the prevention and control of infectious diseases and its supervision and management. The health administrative departments of local people's governments at or above the county level shall be responsible for the prevention and control of infectious diseases and their supervision and management within their respective administrative areas.

Other departments of the people's governments at or above the county level shall be responsible for the prevention and control of infectious diseases within their respective functions and duties.

The prevention and control of infectious diseases in the army shall be handled in accordance with this Law and the relevant provisions of the state, and shall be supervised and managed by the competent health department of the People's Liberation Army of China.