MeSH definition : Gram-negative aerobic cocci of low virulence that colonize the nasopharynx and occasionally
cause MENINGITIS; BACTEREMIA; EMPYEMA; PERICARDITIS; and PNEUMONIA.;
Gram-negative aerobic cocci of low virulence that colonize the nasopharynx and occasionally
cause MENINGITIS; BACTEREMIA; EMPYEMA; PERICARDITIS; and PNEUMONIA.