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 …

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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 …

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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 …

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Source: California Department of Food and Agriculture Confirmed Case(s) – Official Quarantine Number Confirmed: 1 Number Exposed: 40 Horse 1: Age: 15Gender: MareBreed: Thoroughbred (TB)Onset of Clinical Signs: 1/14/2025Clinical Signs: ataxia, recumbencyConfirmation Date: 1/16/2025Horse Status: Affected And Alive Comments: A 15-year-old Thoroughbred mare from San Luis Obispo County displaying neurologic signs was confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine …

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Source: State Veterinarian Office. Confirmed Case(s) – Official Quarantine Number Confirmed: 2Number Suspected: 1Number Exposed: UnknownNumber Euthanized: 1Facility Type: Training FacilityComments: Horse facility where multiple roping/training events happen weekly. Small number of horses board there. First horse was a boarder that went down and was euthanized about 11/14. Second exposed horse went down 11/16. Died next …

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Source: State Veterinarian Office. Confirmed Case(s) – Official Quarantine Number Confirmed: 2Number Suspected: 4Number Exposed: 28Comments: A 20-year-old Draft cross gelding and one additional gelding from eastern El Dorado County displaying neurologic signs were confirmed positive for Equine Herpesvirus Myeloencephalopathy (EHM) secondary to Equine Herpesvirus-1 (EHV-1) on June 14th. The geldings remain …

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Source: State Veterinarian Office. Confirmed Case(s) – Information Only Number Confirmed: 1Number Suspected: 9Number Exposed: 27Comments: Quarantine Lifted March 10th, 2024 For more information, go to https://www.equinediseasecc.org/equine-herpesvirus 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 as they occur and will include …

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Source: State Veterinarian Office. Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Exposed: 1Facility Type: Private FacilityComments: Horse was supposedly exposed during trail ride with some others that had respiratory signs. Horse is quarantined and under vet care. For more information, go to https://www.equinediseasecc.org/equine-herpesvirus See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates …

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Source WSDA Confirmed Case(s) – Official Quarantine Number Confirmed: 1Number Suspected: 9Number Exposed: 27Number Euthanized: 5Facility Type: Private FacilityComments: Update 2/21/2024: In the outbreak in Spokane County, horses have experienced the abortion and neurologic forms of the disease. The last EHM case reported on the quarantined premises was on 2/15/24. There is NO evidence of lateral …

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