Micro & Immunology · single question
How is impetigo transmitted?
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Correct answer: B. Direct contact with lesions or contaminated objects
- A. It is not a respiratory pathogen in this presentation.
- B. Correct. Impetigo (Staphylococcus aureus, Streptococcus pyogenes) spreads by direct skin contact with the honey-crusted lesions or by fomites — towels, linens, sports equipment.
- C. Fecal-oral transmission applies to enteric pathogens like hepatitis A.
- D. Impetigo is a superficial skin infection, not bloodborne.
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