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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Eastern Equine Encephalitis

Somerset County, ME

Outbreak Identifier: 6443

Alert ID: 3920

September 06, 2024

Confirmed Case(s) - No Quarantine

Source: Maine Department of Agriculture, Conservation & Forestry

Number Confirmed: 1;
Number Euthanized: 1;

Horse 1:
Onset of Clinical Signs: 8/27/2024; Clinical Signs: Acute neurologic signs that rapidly progressed to recumbancy. Due to declining condition and poor prognosis for survival, horse was humanely euthanized.; Confirmation Date: 9/4/2024; Horse Status: Euthanized; Vaccination Status: Undervaccinated;

Comments: Maine horse owners are reminded to ensure all equines remain up to date on EEE, WNV and rabies vaccination. Please work with your veterinarian to schedule vaccination or booster if needed. Assistance with testing for EEE/WNV may be available; call your veterinarian with any concerns about neurologic equines. https://equinediseasecc.org/news/article/Vaccinations-Important-for-West-Nile-and-Eastern-Equine-Encephalitis;

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