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Introduction to Gram-Positive Cocci

by Larry M. Bush, MD, Maria T. Perez, MD

Many gram-positive cocci are commensal organisms that cause infection only when they find their way into normally sterile areas. They are the most common cause of skin infections and a frequent cause of pneumonia and septicemia. Although they are generally susceptible to a broad range of antibiotics, certain strains have developed resistance to many available antimicrobial drugs.

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