epidemiology of campylobacter jejuni outbreak in a middle school in incheon, korea. | on july 6, 2009, an outbreak of gastroenteritis occurred among middle school students in incheon. an investigation to identify the source and describe the extent of the outbreak was conducted. a retrospective cohort study among students, teachers, and food handlers exposed to canteen food in the middle school was performed. using self-administered questionnaires, information was collected concerning on symptoms, days that canteen food was consumed, and food items consumed. stool samples were col ... | 2010 | 21060748 |