What are the reporting systems and general procedures for public health emergencies?

Public health emergencies refer to infectious diseases and unexplained group diseases that have occurred or may occur, which have caused or may cause great losses to public health, as well as public health emergencies that endanger public health such as major food poisoning and occupational poisoning.

(1) Early warning of sudden public health events (2) Early warning of meteorological anomalies (3) Early warning of obvious deterioration of public health conditions (4) Early warning of abnormal biological vectors and animal hosts of infectious diseases (5) Early warning of major changes of pathogens (6) Early warning of similar events (7) Early warning of infectious diseases.