Outbreak Alerts – UPDATE: March 22, 2023 – Equine Herpesvirus- Neurologic in Riverside County, CA

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 2Number Exposed: 600Age: 12Gender: MareBreed: Argentinian Polo HorseUsage: PoloOnset of Clinical Signs: 3/19/2023Clinical Signs: mild neurologicConfirmation Date: 3/21/2023Horse Status: Affected And AliveComments: A 12-year-old Argentinian polo horse mare displaying mild neurological signs has been confirmed positive for EHM secondary to EHV-1 (non-neuropathogenic strain). The mare was immediately …

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Outbreak Alerts: March 16, 2023 – Equine Herpesvirus- Neurologic in Riverside County, CA

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 9Facility Type: Event CenterAge: 17Gender: MareBreed: Polo ponyUsage: PoloOnset of Clinical Signs: 3/11/2023Clinical Signs: Dragging pelvic limb 2 days prior to decreased appetite, ataxia, and reactivity on cervical spinal palpation, then found recumbent and unable to rise the following morning. Afebrile.Horse Status: EuthanizedVaccination Status: Status …

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Outbreak Alerts: March 14, 2023 – Equine Herpesvirus- Neurologic in Los Angeles County, CA

Potomac Horse Fever

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Suspected: UnknownNumber Exposed: 61Facility Type: Private Facility Age: 19Gender: GeldingBreed: SaddlebredOnset of Clinical Signs: 3/13/2023Clinical Signs: Acute ataxia and urine dribblingConfirmation Date: 3/14/2023Horse Status: EuthanizedComments: A 19-year-old Saddlebred gelding at a private boarding facility in Los Angeles County displaying acute neurological signs was confirmed positive …

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Outbreak Alerts: March 10, 2023 – Equine Herpesvirus- Neurologic in San Luis Obispo County, CA

Potomac Horse Fever

Confirmed Case(s) – Quarantine Released Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 26 Comments: No additional cases were confirmed, and the quarantine on this premises has been released.Previous Alerts: 2917 See past published Outbreak Alerts: https://www.nwhorsesource.com/category/news/alerts PressNews from the horse industry. Sharing today’s information as it happens. The Northwest Horse Source …

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