DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Skin infection. Blisters on a 6-year-old girl's arm from bullous impetigo, a superficial infection of the skin by Staphylococcus aureus bacteria. This infection is less contagious than the nonbullous form and can occur at any age. Treatment of the painful, fluid-filled blisters is with antibiotics.
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