*Haemolytic streptococci of Lancefield group C are common inhabitants of the equine nasopharynx
*Haemolytic streptococci of Lancefield group C are common inhabitants of the equine nasopharynx
*''Streptococcus zooepidemicus'' and ''S. equisimilis'' are usually non-pathogenic
*''Streptococcus zooepidemicus'' and ''S. equisimilis'' are usually non-pathogenic
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*''S. equi'' is more pathogenic and is the cause of [[Respiratory Bacterial Infections - Pathology#Strangles|strangles]] with [[Nasal cavity - inflammatory#Strangles|rhinitis]], [[Nasopharynx - inflammatory|pharyngitis]], lymphadenitis, [[Muscles - inflammatory#Abscesses|myositis]]
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*''S. equi'' is more pathogenic and is the cause of [[Respiratory Bacterial Infections - Pathology#Strangles|strangles]] with [[Nasal cavity - inflammatory#Strangles|rhinitis]], [[Nasopharynx Inflammatory - Pathology|pharyngitis]], lymphadenitis, [[Muscles - inflammatory#Abscesses|myositis]]
*''S. equi'' may be involved in [[Bacterial skin infections - Pathology#Systemic bacterial infections|cutaneous lesions]]
*''S. equi'' may be involved in [[Bacterial skin infections - Pathology#Systemic bacterial infections|cutaneous lesions]]
[[Respiratory Bacterial Infections - Pathology#In Horses|URT inflammation in horses]]
[[Respiratory Bacterial Infections - Pathology#In Horses|URT inflammation in horses]]