上游充通大警 SHANGHAI JIAO TONG UNIVERSITY 1.2对传播路径的控制 Controls Directed Against Transmission Pathogens transmitted via food and water.通过 食物和水传播的病源物 by preventing contamination of these common- source vehicles by destroying the pathogen in the vehicle.将共源媒介（食物和水）中的病源物消除 Transmission of respiratory pathogens:More difficult to prevent.呼吸道传播的病源物 Chemical disinfection消毒 ·Air filtration(small enclosed areas)空气过滤 ·Face masks▣罩 9 上海交通大学通识教育核心课程《微生物的世界》9 上海交通大学通识教育核心课程《微生物的世界》 1.2对传播路径的控制 Controls Directed Against Transmission Pathogens transmitted via food and water:通过 食物和水传播的病源物 • by preventing contamination of these common￾source vehicles by destroying the pathogen in the vehicle.将共源媒介（食物和水）中的病源物消除 Transmission of respiratory pathogens: More difficult to prevent.呼吸道传播的病源物 • Chemical disinfection消毒 • Air filtration (small enclosed areas)空气过滤 • Face masks口罩