上游充通大学 SHANGHAI JIAO TONG UNIVERSITY 3.1 Emerging and reemerging diseases Diseases that suddenly become prevalent are emerging diseases.Emerging infections are not limited to“new”diseases but also include reemergence of diseases thought to be controlled.在某地的突然出现新的疫病或突然再 现原本已经被控制的疫病。 24 上海交通大学通识教育核心课程《微生物的世界》24 上海交通大学通识教育核心课程《微生物的世界》 3.1 Emerging and reemerging diseases Diseases that suddenly become prevalent are emerging diseases. Emerging infections are not limited to “new” diseases but also include reemergence of diseases thought to be controlled. 在某地的突然出现新的疫病或突然再 现原本已经被控制的疫病