Equine Herpesvirus- Neurologic

Source: Montana Department of Livestock Number Confirmed: 1; Number Exposed: 50; 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 the date listed, disease name, location and current status. Specific premises … Read More

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

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

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

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 … Read More

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 … Read More

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 … Read More

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 … Read More

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 … Read More