Gram Positive Cocci IdentificationLaboratory testing algorithm for Streptococcus spp, and Staphylococcus aureus, MRSA, S. epidermidis, S. saprophyticus, and S. lugdunensis Hover over the animation to start / stop rotationGram positive Cocci, Clusters ![]() Staphylococci Gram positive Cocci, Chains ![]() Streptococci Catalase Test ![]() ![]() Staphylococcus - - Streptococcus Catalase Positive ![]() Staphylococcus aureus Catalase Positive ![]() Methicillin-resistant S. aureus (MRSA) Catalase Positive ![]() Staphylococcus epidermidis Catalase Positive - Coagulase Negative ![]() Staphylococcus saprophyticus Catalasze Positive - Coagulase Negative ![]() Staphylococcus lugdunensis |
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