Pathogenesis

Bullous variant: gram-positive, coagulase-positive, group II Staphylococcus aureus, most often phage type 71; organisms often spread from nasal carriage site Non-bullous variant: in the United States, group A beta hemolytic streptococcal infection and Staphylococcus aureus occur with equal frequency; in other parts of the world, group A beta hemolytic streptococ-cal infection is most common cause; organism often transmitted through hand contact, entering through abraded or otherwise traumatized skin

Impetigo bullosa

Impetigo contagiosa

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