A 3 yr. old child develops bloody diarrhea ,hemorrhagic colitis due to E. coli 0157:H7 is suspected. What medium should be inoculated to help the lab staff make the diagnosis of this infection
The medium required to make the diagnosis of enterohaemorrhagic E.coli infection is sorbitol MacConkey agar because it does not ferment sorbitol. CULTURE MEDIA ORGANISM TCBS Vibrio cholera Sorbitol MacConkey Agar EHEC Modified Thayer Main medium Neisseria species Chocolate agar Neisseria species and Hemophilus sp.
TCBS
Sorbitol Mac Conkey Agar
Modified Thayer Main medium
Chocolate agar
Systemic Bacteriology (Gram Positive Bacilli, Gram Negative Bacilli)