====Group C ====This group includes "S. equi", which causes strangles in horses, and "S. zooepidemicus"—"S. equi" is a clonal descendent or biovar of the ancestral "S. zooepidemicus"—which causes infections in several species of mammals, including cattle and horses.
==== Grupo C ====Incluye "S. equi", el cual causa adenitis en caballos, y "S. zooepidemicus", el cual causa infecciones en varias especies de mamíferos incluyendo al ganado y caballos.