Microbiology All of the following statements about staphylococcus aureus are true, EXCEPT: A Most common source of infection is cross infection from infected people B About 30% of general population are healthy nasal carriers C Epidermolysin and TSS toxin are superantigens D Methicillin Resistance is chromosome mediated. 💡 Explanation All of the following statements about staphylococcus aureus are true, EXCEPT: ✓ Correct Answer: A. Most common source of infection is cross infection from infected people