This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'Acute infectious diarrhea can be caused by all EXCEPT: \nSelect and explain. \nA. Clostridium, B. Enterobacterium fecalis, C. Staphylococcus, D. Vibrio', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Enterobacterium fecalis REF: Harrison\'s 17edition, table 40.2 See APPENDIX-22 for "ACUTE INFECTIOUS DIARRHEA"', 'role': 'assistant'}]