Impetigo

Impetigo is a topic covered in the Guide to Diagnostic Tests.

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Organism

Impetigo

Infant (impetigo neonatorum): Staphylococcus (GPC).

Nonbullous or “vesicular” (70% of cases): S. pyogenes (GPC), S. aureus (GPC), anaerobes.

Bullous (30% of cases): S. aureus.

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