1. Safe disposal of excreta is critical because agents of most infectious diseases are passed from the body in excreta. 排泄物的安全处理很关键，因为大多数传染病的病原都可能通过排泄物传播。
2. Methods Carries on the epidemiology investigation, gather surplus food and the patient excreta and So on makes the laboratory inspection. 方法进行流行病学调查，采集剩余食物和病人排泄物等做实验室检查。
3. Basic public health education on such topics as the importance of avoiding polluting the water with excreta and the use of clean containers in the home is essential. 至关重要的一点是，要向公众提供基本的公共健康教育，比如避免排泄物对水源的污染，在家中使用干净的容器等等。
英英解释
n.
1. waste matter (as urine or sweat but especially feces) discharged from the body
