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: Medicine
[{'content': 'Serotype 0117:K1:H7 is related to: March 2013 \nSelect and explain. \nA. Mycobacterium TB, B. Mycobacterium leprae, C. E. coli, D. Klebsiella', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. C i.e. E. coli E. coli MC cause for traveller's diarrhea: ETEC/Enterogenic E. coli Most of the cases of hemolytic uremic syndrome (HUS) are caused by: EHEC/ Enterohemorrhagic E. coli Impoant cause of infant diarrhea: EPEC/Enteropathogenic E. coli Only EPEC affects paediatric population, rest all strains can affect any age group Sereny test is positive in: EIEC/Enteroinvasive E. coli Special feature of EIEC: Non-motile, Non-lactose fermenting", 'role': 'assistant'}]