This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli), Subject name: Microbiology
[{'content': 'Persistent diarrhoea is due to: \nSelect and explain. \nA. EAEC, B. EPEC, C. EIEC, D. ETEC', 'role': 'user'}, {'content': "Answer: A \nExplanation: Persistent diarrhoea is due to EAEC (Enteroaggregative Escherichia coli). option 1 EAEC: Persistent diarrhea in developing countries. option 2 EPEC- Infantile diarrhea. Option 3 EIEC- ulceration of bowel, dysentery (resembling shigellosis). option 4 ETEC- most common cause of traveler's diarrhea.", 'role': 'assistant'}]