Gram‐positive, nonmotile, aerobic cocci that form chains and are found in dental plaque. Also isolated from blood cultures of patients with subacute bacterial endocarditis. S. sanguis is grouped into types I and II.
A gram-positive bacterium that can thrive with or without oxygen and exhibits α-hemolysis, belonging to the viridans group. It is present in humans within dental plaque, blood, and is associated with subacute bacterial endocarditis.