随着中国经济快速发展,影响传染病发生发展的经济、社会、环境等因素变化较大,不明原因传染病、新发传染病时有发生,并易转化为突发公共卫生事件,对公众健康和社会安定产生影响,应对突发急性传染病的形势较为严峻[1-3]。为此,国家制定和下发了各类传染病防控预案以及“群体性不明原因 With the rapid economic development in China, the economic, social and environmental factors that affect the occurrence and development of infectious diseases vary greatly. Unidentified causes of infectious diseases and emerging infectious diseases sometimes occur and are easily translated into public health emergencies and public health concerns And social stability have an impact, the situation of emergency response to acute infectious diseases is more severe [1-3]. To this end, the state has formulated and issued a variety of infectious disease prevention and control plans as well as ”group of unknown reasons