Coagulase negative staphylococcus aureus.pptx

StephenNjoroge22 48 views 11 slides Oct 04, 2024

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Coagulase negative staphylococcus aureus CONS

Staphylococcus epidermidis Staphylococcus saprophyticus

Characteristics Gram positive cocci in clusters Catalase positive Coagulase negative Non hemolytic on blood agar Do not ferment mannitol They are differentiated by novobiocin sensitivity -s. saprophyticus is novobiocin resistant

S. epidermidis cause pyogenic infections especially in prosthetic implant materials S. saprophyticus cause pyogenic infections of the urinary tract infection