Ans:A. Staphylococcus aureus
Lesions of common or superficial impetigo may contain group A ß-hemolytic Sreptococci, S. aureus, or both.
Most common skin infection in children.
Lesions in bullous (staphylococcal) impetigo:
Caused by S aureus.
Are superficial, thin-walled & bullous.
On ruptures –> results in thin, transparent, varnish-like crust appears.
Distinguished from the stuck-on crust of common impetigo.
Is the distinctive appearance of bullous impetigo.
Due to the local action of epidermolytic toxin (exfoliation).