Impetigo is an infection of the skin caused primarily by the bacterium Streptococcus pyogenes, also known as Group A Streptococci (GAS). Sometimes another bacterium, Staphylococcus aureus, can also be isolated from impetigo lesions.
Impetigo fact sheet (PDF, 21 KB) - Hmong (PDF, 16 KB) - Spanish (PDF, 45 KB)
Group A streptococcal infections (GAS) CDC
Daycare exclusion criteria (Included in Wall Chart for Childhood Diseases in Group Settings) P-00735 (PDF, 1.0 MB)