Changes

*''[[Streptococcus zooepidemicus]]'' and ''S. equisimilis'' are usually non-pathogenic

*''[[Streptococcus zooepidemicus]]'' and ''S. equisimilis'' are usually non-pathogenic

*Typically [[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|suppurative rhinitis]], [[Nasopharynx Inflammatory - Pathology#Infectious causes of pharyngitis|pharyngitis]] and '''lymphadenitis''' of the lymph nodes of the head and neck that drain the upper respiratory tract, these lymph nodes often rupture and discharge pus 2-3 weeks after the onset of infection  

*Typically [[Nasal Cavity Inflammatory - Pathology#Infectious causes of rhinitis|suppurative rhinitis]], [[Nasopharynx Inflammatory - Pathology#Infectious causes of pharyngitis|pharyngitis]] and '''lymphadenitis''' of the lymph nodes of the head and neck that drain the upper respiratory tract, these lymph nodes often rupture and discharge pus 2-3 weeks after the onset of infection  

*Infection with ''Streptococcus equi'' occurs after contact with contaminated feed, water bowls or an infected carrier [[Hindgut Fermenters - Horse - Anatomy & Physiology|horse]]

*Infection with ''Streptococcus equi'' occurs after contact with contaminated feed, water bowls or an infected carrier [[Equine Alimentary System  - Anatomy & Physiology|horse]]

*Organism remains viable in environment for months

*Organism remains viable in environment for months

*Possibility of other sources of infection - in pharynx of in-contact dogs?, guttural pouches of persistently infected horses

*Possibility of other sources of infection - in pharynx of in-contact dogs?, guttural pouches of persistently infected horses