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

Monroe and Juneau Counties, WI

Alert ID: 697

October 02, 2017

Source: Wisconsin Department of Agriculture, Trade and Consumer Protection

The Wisconsin Department of Agriculture, Trade and Consumer Protection confirmed Eastern Equine Encephalitis in a A 15-year old Arabian cross mare from Monroe County with an unknow vaccination status. The mare began showing neurologic ataxia and paresis on 9/11/17. Despite treatment, the mare went down and later died on 9/23/17. Testing of brain (PCR) was performed at WVDL. The second case was an an unvaccinated 12-year-old Quarter Horse gelding from Juneau County began staggering and went down on 9/23/17. The attending veterinarian sampled and treated the horse that day; he reported the horse was febrile and more or less comatose when he saw him. The owner called back to report the horse had not improved and the veterinarian recommended euthanasia. It is not know if the horse was euthanized. Testing (IgM capture ELISA) was performed at NVSL. These are cases 18 and 19 for 2017.

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