NCIt definition : A subspecies of Streptococcus equi that is positive for beta hemolysis, produces hyaluronic
acid but not streptolysin O, and occurs in pairs or long chains. This subspecies is
also lactose positive and capable of fermenting sorbitol but not trehalose.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Streptococcus equi
subspecies zooepidemicus.;