Multiple Choice
E. coli O157:H7 has a very low infectious dose because:
A) it is encapsulated
B) disease results from a synergistic action with Shigella
C) it is resistant to the gastric acid kill
D) the intestine has many receptors for the toxin
E) it secretes a superantigen
Correct Answer:
Verified
Correct Answer:
Verified
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