Best way to differentiate Entero hemorrhagic E.coli from other E.coli is: (A) Macconkey agar, (B) Blood agar, (C) Sorbitol macconkey agar, (D) Nitrate reduction test
Answer is C. EHEC does not ferments sorbitol thus Sorbitol Macconkey agar is used to differeniate EHEC from other E.coli.