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
Pathogenesis of which E coli is shown below 
Select and explain. 
A. ETEC, B. EPEC, C. EHEC, D. All the above
D: All the above
Answer: D: All the above 
Explanation: Diagramatic representation depicts all of the above mentioned strains of e.coli-ETEC,EPEC,EHEC E. coli cause 1. UTI 2. Diorrhoea 3. Neonatal meningitis 4. Emphysematous pyelonephritis 5. Fournier's gangrene