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

Elkhart and LaGrange County, IN

Alert ID: 1454

October 01, 2019

Source: Indiana State Board of Animal Health

Notes: Indiana has had 11 positive cases of Eastern Equine Encephalitis. Eight cases in Elkhart County and three cases in LaGrange County both counties are on the Michigan border. Of the 11 cases, 10 of the horses either died or were euthanized by the owner or veterinarian. All the horses presented with neurological signs that progressed to more sever signs including head pressing, seizures and uncontrollable behavior. All horses were unvaccinated and the clinical signs progressed quickly with initial presentation one day and progression of neurological signs later that day or the next. The one horse that is still alive had a history of vaccination but was not up to date.

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