Bacteria

Streptococcus

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Streptococcus, Beta-hemolytic Streptococcus, Lancefield Group, Alpha-hemolytic Streptococcus, Non-hemolytic Streptococcus

  • Characteristics
  1. Gram Positive Cocci
  • Types
  • Beta-hemolytic Streptococcus (Lancefield Groups)
  1. Group A Streptococcus (Streptococcus Pyogenes)
  2. Group B Streptococcus (Streptococcus agalactiae)
  3. Group C Streptococcus
  4. Group G Streptococcus
  • Types
  • Alpha-hemolytic Streptococcus
  1. Streptococcus Pneumoniae (Pneumococcus)
  2. Viridans Streptococcus (Bacterial Endocarditis)
  • Types
  • Non-hemolytic Streptococcus
  1. Streptococcus faecalis (Group D)
  2. Certain members of Groups B, C, D, H, and O