Streptococcus, viridans group


Standard Precautions
Standard Precautions

General Information

Pathogen information

Gram positive cocci in chains, facultatively anaerobic, variable hemolysis.


Normal oral/GI flora.

Includes S. mitis, S. mutans, S. salivarius, S. sanguinis, and S. anginosus group.

See S. anginosus group listing for specific details of those organisms.

Associated syndromes

Common: bacteremia, endocarditis, febrile neutropenia

Dental infections, aspiration pneumonia, empyema.

Intra-abdominal infections.