Streptococcus - infants aged 7 days up to 3 months. E....

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Streptococcus ORGANISM: Genus: Streptococcus , Enterococcus Species: S. pyogenes (Group A), S. agalactiae (Group B), S. mutans (viridans), S. pneumoniae , E. faecalis (Group D) GENERAL CONCEPTS: The streptococci are a very heterogeneous group of bacteria. Some members are a part of our normal flora while others are potent pathogens. The primary pathogens are S. pyogenes and S. pneumoniae but other species can be opportunistic. For example, S. agalactiae can produce severe neonatal disease including meningitis, pneumonia and bacteremia in
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Unformatted text preview: infants aged 7 days up to 3 months. E. faecalis may be implicated in endocarditis and urinary tract infections. S. mutans is an important contributor to dental caries. The streptococci are generally delineated into groups according to the Lancefield method. As important as the acute diseases produced by these microorganisms are the later sequelae of Group A streptococci. These sequelae include i) rheumatic fever following respiratory infections and ii) glomerulonephritis following skin infections....
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This note was uploaded on 11/05/2011 for the course BIOLOGY MCB2010 taught by Professor Jessicadigirolamo during the Fall '10 term at Broward College.

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