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
Acute infectious diarrhea can be caused by all EXCEPT: 
Select and explain. 
A. Clostridium, B. Enterobacterium fecalis, C. Staphylococcus, D. Vibrio
B: Enterobacterium fecalis
Answer: B: Enterobacterium fecalis 
Explanation: Enterobacterium fecalis REF: Harrison's 17edition, table 40.2 See APPENDIX-22 for "ACUTE INFECTIOUS DIARRHEA"