Outbreaks | Equine Disease Communication Center

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

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Strangles

St. Clair County, MI

Outbreak Identifier: 5558

Alert ID: 2955

April 11, 2023

Confirmed Case(s) - Voluntary Quarantine

Source: Michigan Department of Agriculture and Rural Development

Number Confirmed: 1
Age: 14; Gender: Mare; Breed: Hackney Pony; Onset of Clinical Signs: 3/25/2023
Clinical Signs: Enlarged lymph nodes that progressed to rupturing, nasal discharge; Confirmation Date: 4/10/2023; Horse Status: Affected And Alive; Vaccination Status: Status Unknown

Comments: A 14-year-old Hackney Pony has been confirmed positive for Strangles (Streptococcus equi subsp equi) in St. Clair County, MI. For more information about Strangles, go to: https://www.equinediseasecc.org/strangles

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