Necrotizing fasciitis caused by community-associated methicillin-resistant Staphylococcus aureus in Los Angeles.

Background: Necrotizing fasciitis is a life-threatening infection requiring urgent surgical and medical therapy. Staphylococcus aureus has been a very uncommon cause of necrotizing fasciitis, but we have recently noted an alarming number of these infections caused by community-associated methicillin-resistant S. aureus (MRSA).