Toxic shock syndrome is due to the following virulence factor_____________?
Correct answer: B. Pyrogenic exotoxin
- A. M protein
- B. Pyrogenic exotoxin
- C. Streptolysin 0
- D. Carbohydrate cell wall
Explanation
Toxic shock syndrome is caused by a superantigenic pyrogenic exotoxin, especially TSST-1 produced by Staphylococcus aureus. M protein and streptolysin O are associated mainly with Streptococcus pyogenes and do not cause classic toxic shock syndrome.
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