<prompt> Culture media used for diagnosis of EHEC 0157 : H7 is:O7 cultureSorbitol MacConkey mediaXLD AgarDeoxycholate Media  <response>: Non- DNA- dependent methods are used for routine diaggnosis of EHEC 0157: H7. This serotype is suggested by isolation of an E-coli that fails to fermant sorbitol on MacConkey sorbitol; latex aggulination confirms. Ref: Kliegman, Behrman, Jenson, Stanton 2008, Nelson textbook of Pediatrics, Chapter 197, Escherichia coli, Volume 1, Page 1196; Textbook of Microbiology By Ananihnarayanan, 7th Edition, Page 279; Medical Microbiology By Jawetz, 24th Edition, Page 254; Current Diagnosis and Treatment in Infectious Diseases, 11th Edition, Page 550 