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Disease Outbreak Alerts

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.


Date Disease Location Status
August 19, 2017 West Nile Virus Reno County, KS Confirmed Case(s): No Quarantine
Source: Kansas Department of Agriculture

The Kansas Department of Agriculture Division of Animal Health (KDA–DAH) confirmed a horse in Reno County has tested positive for West Nile virus (WNV). The horse was euthanized due to the severity of the illness. This is the first reported equine case of WNV in Kansas in 2017. Horse owners are encouraged to vaccinate their horses to prevent the spread of WNV.  For more information go to:  http://www.agriculture.ks.gov/divisions-programs/division-of-animal-health

August 19, 2017 Equine Infectious Anemia Finney County, KS Confirmed case(s): Quarantine
Source: Kansas Department of Agriculture

The Kansas Department of Agriculture Division of Animal Health (KDA–DAH) confirmed a horse in Finney County has tested positive for Equine Infectious Anemia (EIA). The facility is under quarantine and all the exposed horses were tested, with five additional positive EIA horses. Since the disease is not curable, the affected horses will be euthanized. The remaining horses at the facility will be observed and retested in 60 days.  For more info go to:  http://www.agriculture.ks.gov/divisions-programs/division-of-animal-health

August 18, 2017 West Nile Virus San Joaquin and Glenn Counties, CA Confirmed Case(s): No Quarantine
Source: California Department of Food and Agriculture

The California Department of Food and Agriculture has confirmed two additional equine cases of West Nile Virus in an unvaccinated yearling Warmblood filly in San Joaquin County and a three year old Appaloosa gelding of unknown vaccination status in Glenn County which were displaying neurologic signs. The Warmblood filly was euthanized due to the severity of the disease and the Appaloosa gelding has been treated and is recovering. For 2017, a total of seven(7) horses have been confirmed positive for WNV in California . For more information visit: https://www.cdfa.ca.gov/ahfss/animal_health/WNV_Info.html

August 18, 2017 West Nile Virus Hart and Russell Counties, KY Confirmed Case(s): No Quarantine
Source: Kentucky Department of Agriculture

The Kentucky Department of Agriculture has confirmed a diagnosis of West Nile Virus in two horses. On 8/13/2017 in Hart County an 8-year old Tennessee Walking Horse gelding was lethargic and had muzzle twitching, muscle fasciculations and rear limb ataxia. The horse had no vaccination history and is reported to be improving. On 8/14/2017 in Russell County a 3-years old Thoroughbred had muscle fasciculations with mild ataxia which worsened over 24 hours. This horse had been vaccinated in 2015, thought to have been vaccinated in 2016 and received a single vaccination in the spring of 2017.  For more information go to:  http://www.kyagr.com/statevet/equine-infectious-diseases.html#WNV

August 18, 2017 West Nile Virus Carbon County, UT Confirmed Case(s): No Quarantine
Source: Utah Department of Agriculture and Food

On August 17th the Utah Department of Agriculture and Food confirmed West Nile Virus in an unvaccinated 9-year old Quarter Horse mare from Carbon County. The horse was ataxic with muscle faciculations and facial twitching at the onset of clinical signs on August 14th. As of August 14th the horse has responded to treatment and is expected to recover. This is the second WNV case in Carbon County. For more information about WNV go to: https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_WNV.pdf

 

August 17, 2017 Equine Herpes Viruses Culpeper, VA Outbreak Update
Source: Virginia Department of Agriculture and Consumer Services

On August 15, the Virginia Department of Agriculture and Consumer Services (VDACS) confirmed a diagnosis of Equine Herpesvirus-1 (EHV-1) on two horses from Culpeper County. A third horse on the quarantined farm developed a fever the evening of August 16 and tested positive for the neuropath genic strain of the Equine Herpes Virus -1. The quarantine will be extended until September 6th. This third horse is under veterinary care and has no other symptoms. Because the farm is under quarantine, no additional horses have been exposed.

August 17, 2017 Eastern Equine Encephalitis Jackson County, WI Confirmed Case(s): No Quarantine
Source: Wisconsin Department of Agriculture, Trade, and Consumer Protection

The Wisconsin Department of Agriculture, Trade, and Consumer Protection has confirmed its fourth case of equine EEE for 2017.  The 10-year-old Quarter Horse gelding was from Jackson County.  The vaccination status of this horse could not be determined.  The horse had a high fever, showed neurologic signs, became non-ambulatory, and was euthanized. No quarantine was established.

August 17, 2017 West Nile Virus Jackson County, WI Confirmed Case(s): No Quarantine
Source: Wisconsin Department of Agriculture, Trade, and Consumer Protection

The Wisconsin Department of Agriculture, Trade, and Consumer Protection has confirmed its fourth case of equine West Nile Virus for 2017.  The nonvaccinated 13-year-old Belgian mare was from Jackson County.  She showed neurologic signs, became nonambulatory, and was euthanized. No quarantine has been established.

August 17, 2017 West Nile Virus Clinton and Wexford Counties, MI Confirmed Case(s): No Quarantine
Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development has received confirmation that two additional Michigan horses have tested positive for West Nile virus (WNV).  The two cases are as follows: a 10-year-old Belgian mare from Clinton County and a 21- year-old Quarter Horse mare from Wexford County. Both horses developed a sudden onset of neurologic disease including being down/unable to get up and were subsequently euthanized due to the severity of the disease. Neither horse had been vaccinated against WNV.  This brings the total number of Michigan horses reported as having WNV in 2017 to seven, one each from the following counties: Clinton, Livingston, Jackson, Mecosta, Midland, Missaukee, and Wexford. No quarantines were issued.

August 17, 2017 Rabies Polk County, NC Confirmed Case(s): No Quarantine
Source: North Carolina Department of Agriculture and Consumer Services

The North Carolina Department of Agriculture and Consumer Services has confirmed that a Polk County horse contracted Rabies. The horse was a 25 Year old, unvaccinated, Halflinger that showed a quick onset of clinical signs. The horse was isolated and died shortly afterward.