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
Serotype 0117:K1:H7 is related to: March 2013 
Select and explain. 
A. Mycobacterium TB, B. Mycobacterium leprae, C. E. coli, D. Klebsiella
C: E. coli
Answer: C: E. coli 
Explanation: 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