Background of the antigen
Staphylococcus aureus is the most common cause of staph infections and is responsible for various diseases including: mild skin infections (impetigo, folliculitis, etc.), invasive diseases (wound infections, osteomyelitis, bacteremia with metastatic complications, etc.), and toxin mediated diseases (food poisoning, toxic shock syndrome or TSS, scaled skin syndrome, etc.). Infections are preceded by colonization. Common superficial infections include carbuncles, impetigo, cellulitis, folliculitis. Community-acquired infections include bacteremia, endocarditis, osteomyelitis, pneumonia and wound infections are less common.