Multiple choice

Which of the following organisms secretes hydrogen peroxide and ammonia as virulence factor?

  1. Mycoplasma

  2. Salmonella typhi

  3. Escherichia coli

  4. Bordetella pertussis

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A Correct answer
Explanation

Mycoplasma secretes hydrogen peroxide and ammonia as virulence factor. These compounds accumulate locally to high concentrations, thereby damaging epithelial cells.