This document discusses the treatment of diarrhea in Vietnam following natural disasters. It provides background on diarrhea, noting that it is commonly caused by contaminated food or water. It then outlines how nurses in Vietnam typically treat diarrhea cases, which often involves oral rehydration and monitoring due to limited hospital resources. The document also addresses diarrhea as a major public health issue after disasters in Vietnam, when flooding can spread diseases. It explores quality improvement models for addressing diarrhea treatment, including the FADE and microsystems models.