In February to March 2008, Bali was shocked by the outbreak of diarrhea in Karangasem District, BaiL It was recorded that 600 people were having diarrhea and 5 people were died due to the disease. This outbreak was the first time happened in Bali and the causing pathogen was not yet identified. The aim of this study was to identify the causing pathogen of diarrhea in the outbreak case in Karang…