<unk>  is primarily caused by Staphylococcus aureus, and sometimes by Streptococcus pyogenes. Both bullous and nonbullous are primarily caused by S. aureus, with Streptococcus also commonly being involved in the nonbullous form. Predisposing factors<unk>  is more likely to infect children ages 2–5, especially those that attend school or day care. 70% of cases are the nonbullous form and 30% are the bullous form. Other factors can increase the risk of contracting<unk>  such as diabetes mellitus, dermatitis, immunodeficiency disorders, and other irritable skin disorders.<unk>  occurs more frequently among people who live in warm climates. Transmission The infection is spread by direct contact with lesions or with nasal carriers. The incubation period is 1–3 days after exposure to Streptococcus and 4–10 days for Staphylococcus. Dried streptococci in the air are not infectious to intact skin. Scratching may spread the lesions.
Impetigo
Smallpox
Bullous impetigo
Herpes labialis
Contact stomatitis
Shingles
Vertigo
Bovine papular stomatitis