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Outbreak Alerts – April 02, 2025 – Equine Herpesvirus- Neurologic in Alameda County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 75 Horse 1:Age: 22 Gender: Mare Breed: Trakhener Clinical Signs: ataxia, limb edema, trouble urinating Comments: A 22-year-old Trakehner mare from Alameda County displaying neurologic signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine Herpesvirus-1 (EHV-1). The mare is currently under veterinary care at … Read More

Outbreak Alert: March 25, 2025 – Equine Infectious Anemia in San Bernardino County, CA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 2 Horse 1: Age: 7; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Racing;  Comments: A 7–year–old Quarter Horse gelding in San Bernardino County was confirmed positive for Equine Infectious Anemia (EIA). Two (2) potentially exposed horses on the home premises have been tested for EIA … Read More

Outbreak Alerts: March 21, 2025 Equine Influenza in Kittitas County, WA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – No Quarantine Source: State Veterinarian Office and Attending Veterinarian Number Confirmed: 1Number Suspected: 2 Number Exposed: Unknown Facility Type: Private Facility Comments: Under veterinary care and doing well For more information about Equine Influenza, go to https://www.equinediseasecc.org/equine-influenza See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC … Read More

Outbreak Alerts – March 21, 2025 – Equine Herpesvirus- Neurologic in Santa Barbara County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Confirmed Case(s) – Official Quarantine   Number Confirmed: 1Number Exposed: 41Number Euthanized: 1  Horse 1: Age: 16; Gender: Mare; Breed: Pony; Onset of Clinical Signs: 3/17/2025; Confirmation Date: 3/19/2025; Horse Status: Euthanized;  Comments: A 16-year-old Pony mare from Santa Barbara County displaying neurologic signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine Herpesvirus-1 (EHV-1). The mare … Read More

Outbreak Alert: March 21, 2025 – Equine Infectious Anemia in San Joaquin County, CA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1Number Exposed: 18Number Euthanized: 1 Horse 1: Age: 10Gender: GeldingBreed: Quarter Horse (QH)Horse Status: EuthanizedComments: A 10–year–old Quarter Horse gelding in San Bernardino County was confirmed positive for Equine Infectious Anemia (EIA). A confirmed EIA positive equid must be euthanized or quarantined for life 200 … Read More

Outbreak Alerts: March 3, 2025 Equine Influenza in King County, WA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – No Quarantine Source: State Veterinarian Office and Attending Veterinarian Number Confirmed: 1Number Suspected: UnknownNumber Exposed: UnknownFacility Type: Private FacilityComments: reporting vet says other horses have been coughing. Animal under veterinary care. For more information about Equine Influenza, go to https://www.equinediseasecc.org/equine-influenza See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease … Read More

Outbreak Alerts – February 11, 2025 – Equine Herpesvirus- Neurologic in San Bernardino County, CA

Equine Herpesvirus- Neurologic

Source: California Department of Food and Agriculture Confirmed Case(s) – Outbreak Update   Number Confirmed: 2Number Exposed: 90Number Euthanized: 1Comments: A 7-year-old gelding with fever and mild neurological clinical signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine Herpesvirus-1 (EHV-1). The gelding is alive and under supportive care at the home … Read More

Outbreak Alerts: February 10, 2025 Potomac Horse Fever in Lewis County, WA

Equine Herpesvirus- Neurologic

Confirmed Case(s) – No Quarantine Source: State Veterinarian Office and attending veterinarian Number Confirmed: 1Number Exposed: 4Number Euthanized: 1Facility Type: Farm Horse 1: Age: 2Gender: GeldingBreed: Quarter Horse (QH)Usage: Pleasure RidingOnset of Clinical Signs: 1/29/2025Clinical Signs: Fever, colitis, lethargyConfirmation Date: 2/6/2025Horse Status: EuthanizedVaccination Status: Unvaccinated See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website … Read More

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