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

Clinton and Wapello Counties, IA

Alert ID: 1063

September 26, 2018

Source: Iowa State Veterinarian

The Iowa State Veterinarian confirmed 2 new cases of West Nile Virus. On September 20, 2018 a 18-year old Belgian gelding in Clinton county had facial and chest muscle fasiculations, stiffness in the legs, muscle weakness in the hind limbs, ataxia and mild fever. The horse first developed posterior paresis on September 22nd and progressed to being recumbent the next day. The horse was treated symptomatically, examined the following day and the owner elected to humanely euthanize on September 24th. This mare was not vaccinated for WNV this year and had no previous history of WNV vaccination. A 3 year old Quarter Horse mare in Wapello county was examined on September 23, 2018. The horse first developed posterior paresis on September 22nd and progressed to being recumbent the next day. The horse was treated symptomatically, examined the following day and the owner elected to humanely euthanize on September 24th. This mare was not vaccinated for WNV this year and had no previous history of WNV vaccination.

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