Which of the following statements describes the main virulence factor of E. coli O157:H7?

Flashcard maker : Bernice Cooper

A. an pathogen-encoded exotoxin B. a bacteriophage-encoded exotoxin C. an endotoxin used for host attachment D. a coagulase for host clotting E. a hemolysin for red blood cell destruction

Answer:

a bacteriophage-encoded exotoxin

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