*Haemolytic streptococci of Lancefield group C are common inhabitants of the equine nasopharynx *''Streptococcus zooepidemicus'' and ''S. equisimilis'' are usually non-pathogenic | *Haemolytic streptococci of Lancefield group C are common inhabitants of the equine nasopharynx *''Streptococcus zooepidemicus'' and ''S. equisimilis'' are usually non-pathogenic |