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Viridans Streptococci

A large heterogeneous group of mostly alpha-hemolytic streptococci. They colonize the respiratory tract at birth and generally have a low degree of pathogenicity. This group of species includes STREPTOCOCCUS MITIS; STREPTOCOCCUS MUTANS; STREPTOCOCCUS ORALIS; STREPTOCOCCUS SANGUIS; STREPTOCOCCUS SOBRINUS; and the STREPTOCOCCUS MILLERI GROUP. The latter are often beta-hemolytic and commonly produce invasive pyogenic infections including brain and abdominal abscesses.

Year introduced: 2003

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Tree Number(s): B03.353.750.737.872.875, B03.510.400.800.872.875, B03.510.550.737.872.875

MeSH Unique ID: D034363

Entry Terms:

  • Streptococcus Viridans Group
  • Streptococcus viridans

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