What do you mean by checking twice every three days?

Legal analysis: Two tests in three days means two nucleic acid tests within three days (72 hours), and the interval between the two nucleic acid tests is 24 hours.

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.