Staphylococcus epidermidis

An aerobic gram-positive coccus that produces a smooth to mucoid, gray or grayish white colony. It does not produce free coagulase, or bound coagulase but may produce weak hemolysins. It is part of the normal flora of the skin, skin glands, anterior nares, and mucous membranes of humans and animals. An opportunistic pathogen for humans that can cause urinary tract infections, wound infections, endocarditis, and septicemia.

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