Streptococcus pyogenes |
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![](//upload.wikimedia.org/wikipedia/commons/thumb/9/95/Streptococcus_pyogenes_%28Lancefield_Group_A%29_on_Columbia_Horse_Blood_Agar_-_Detail.jpg/400px-Streptococcus_pyogenes_%28Lancefield_Group_A%29_on_Columbia_Horse_Blood_Agar_-_Detail.jpg) S. pyogenes is Gram Stain positive (above and middle), and β-hemolytic on blood agar (below) |
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Preferred Media/Setting | Blood Agar, facultative anaerobes |
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Histology | Gram-positive cocci, pairs and chains, Encapsulated |
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Species Identification | Catalase (-) CAMP (-) PYR (+) |
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Normal Environment | Skin flora |
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Rheumatic Heart Disease (RHD) |