突发公共卫生事件是指突然发生,造成或可能造成社会公众健康严重损害的重大传染病疫情、群体性不明原因疾病、重大食物和职业中毒以及其他严重影响公众健康的事件[1]。近年来,突发公共卫生事件的发生有增无减,由于其危害的严重性及不可预知性,政府和社会对突发公共卫生事件的重视 Public health emergencies mean sudden outbreaks of major communicable diseases that cause or may cause serious public health damage, unidentified group diseases, major food and occupational poisonings, and other events that seriously affect public health [1]. In recent years, the incidence of public health emergencies has increased steadily. Due to the severity and unpredictability of their harm, the government and society attach more importance to public health emergencies