This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
It has been hypothesized that their exists a strong association between haemolytic uraemic syndrome: 
Select and explain. 
A. Salmonellae, B. Bacteriophages and corynebacteria, C. Verocytotoxin producing E. coli, D. Clostridium difficle
C: Verocytotoxin producing E. coli
Answer: C: Verocytotoxin producing E. coli 
Explanation: Ans. is 'c' i.e., Verocytotoxin producing E. coliEHEC (Enterohemorrhagic E. coliA/erocytotoxin producing E coli) - produces verotoxin (VT) whose major target is vascular endothelial cells - Hemolytic uremic syndrome (HUS), Hemorrhagic colitis - .