Which of the following results is most consistent and specific for E. coli O157:H7?
A. inability to ferment lactose
B. inability to ferment sorbitol
C. indole positivity
D. growth on MacConkey
E. positive string test
Answer: B
Which of the following results is most consistent and specific for E. coli O157:H7?
A. inability to ferment lactose
B. inability to ferment sorbitol
C. indole positivity
D. growth on MacConkey
E. positive string test
Answer: B