What did the health certificate violate without publicity?

People's Republic of China (PRC) Food Safety Law. According to the information in the national laws and regulations database, according to the Food Safety Law of People's Republic of China (PRC), food producers and operators in public places should test and monitor the health status of their employees, establish health records, and conduct regular health examinations and infectious disease investigations. Failure to publicize health certificates leads to potential health and safety hazards, harms consumers' health and violates the obligations and responsibilities stipulated by laws and regulations, so failure to publicize health certificates violates the obligations and responsibilities stipulated by laws and regulations.