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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West Nile Virus

Medina and Wyandot Counties, OH

Alert ID: 1125

November 07, 2018

Source: Ohio Department of Agriculture

As of November 7, 2018 the Ohio Department of Agriculture has confirmed West Nile Virus (WNV) in two horses. a 7-year-old Jenny from Medina County. On 10/16/2018 the donkey was lame in its hind legs. A serum sample sent to National Veterinary Services Laboratory (NVSL), had an IgM capture ELISA positive at 1.400, suggesting recent exposure to West Nile Virus. The donkey was not vaccinated WNV and is alive and recovering as of 10/26/2018. This is the forty-ninth positive WNV case in Ohio in 2018.The fiftieth positive horse was an adult Belgian mare from Wyandot County. On 10/25/2018 the owner found his horse down and unable to rise. The veterinarian observed muscle fasciculations of the face and neck as well as a temperature of 102°F. Treatment was attempted but due to the prognosis the owner elected euthanasia. The serum sample sent to Cornell University, had an IgM capture ELISA of 16.60 (>3.3=Positive), suggesting recent exposure to West Nile Virus. The horse was not vaccinated against West Nile Virus.

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