NCIt definition : A species of facultatively anaerobic, Gram positive, cocci shaped bacteria in the
phylum Firmicutes. This species is alpha hemolytic, hydrolyzes esculin and is negative
for arginine deaminase, and catalase. It can ferment inulin, salicin, and raffinose
but not mannitol, or sorbitol. S. salivarius is found in the normal flora of the mouth
and respiratory tract and is rarely a human pathogen causing opportunistic infections.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Streptococcus salivarius.;