Public health emergencies generally refer to major infectious diseases, unexplained group diseases, major food and occupational poisoning that suddenly occur and cause or may cause serious damage to public health.
Public health emergencies not only affect our health, but also affect social stability and economic development. Many public health events are related to natural disasters, such as earthquakes, floods and fires. In addition, there are animal diseases, pathogenic microorganisms, drug hazards, food poisoning, occupational hazards and so on.
Characteristics of public health emergencies
Public health emergencies are characterized by diversity, difference, extensiveness, complexity and comprehensiveness. Diversity is reflected in various factors that cause public health incidents, such as biological factors, natural disasters, food and drug safety incidents, and various accidents and disasters.
There is also universality, especially in the era of globalization. A disease can flow across borders through modern means of transportation, and once it spreads, it will become a global spread.