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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
October 09, 2017 West Nile Virus Garrod County, KY Confirmed Case(s): No Quarantine
Source: The Kentucky Department of Agriculture

The Kentucky Department of Agriculture has reported a confirmed case of equine West Nile virus. An adult Tennessee Walking Horse cross with no WNV vaccination history in Garrod County showed an onset of clinical signs on September 30th. The horse went down with proprioceptive deficits and was euthanized. This is the 14th confirmed case of equine WNV reported in KY in 2017.

October 07, 2017 Equine Infectious Anemia Bedford County, TN Confirmed Case(s): No Quarantine
Source: The Tennessee Department of Agricultures

The Tennessee Department of Agricultures confirmed one horse with Equine Infectious Anemia in Bedford County. 

October 07, 2017 West Nile Virus Davidson, Knox Counties, TN Confirmed Case(s): No Quarantine
Source: Tennessee Department of Agriculture

The Tennessee Department of Agricultures confirmed two cases of West Nile Virus, one in Davidson County and one in Knox County. For more information go to:  https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_WNV.pdf

 

 

October 06, 2017 West Nile Virus Cherokee County, SC Confirmed Case(s): No Quarantine
Source: South Carolina State Veterinarians Office

The South Carolina State Veterinarian’s office has received laboratory confirmation for West Nile Virus (WNV) in a horse in Cherokee County. The 17 year old unvaccinated mare is alive but progressively deteriorating. This is the 4th case of WNV for South Carolina in 2017.

 

October 06, 2017 Eastern Equine Encephalitis Shawano 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 equine case #21 of Eastern Equine Encephalitis for 2017.An 11-year-old unvaccinated QH mare from Shawano County was stumbling and generally ataxic on 10/2.  The veterinarian sampled and treated the mare that day.  The mare went down on 10/3 and was euthanized later that day. No quarantine was issued.

 

October 04, 2017 Eastern Equine Encephalitis Price 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 Eastern Equine Encephalitis in a vaccinated 7-year old Quarter Horse mare in Price county. The mare was vaccinated in March 2017, and on 9/6/2017 was found down. The mare was treated on 9/6/17 and got up on 9/17/17. The mare is still neurologic (hypermetric and hyperesthetic) and because the mare is pregnant she is being treated in hopes of having a normal foal.  Conformation of EEE was from NVSL. 

October 04, 2017 West Nile Virus Jefferson and Clark Counties, 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 West Nile Virus in two horses. The first is an 11-year old Tennessee Walking Horse gelding with signs of incoordination, hyperesthesia and being very subdued on 9/23/17 in Jefferson County. The horse was treated and is recovering.  The second horse is an unvaccinated Standardbred stallion  in Clark County found down and unable to rise on 9/1/17. The horse was being treated and was continuing to eat and drink but unable to rise a week later with current outcome unknown. Confirmation of WNV in both cases was from NVSL. 

October 03, 2017 West Nile Virus Juab, Duchesne, Morgan Counties, UT Confirmed Case(s): No Quarantine
Source: Utah Department of Agriculture and Food

The Utah Department of Agriculture and Food confirmed 3 horses tested positive for West Nile Virus in the central, eastern and northern regions of the state. A 9-year paint mare, a 2-year old Quarter Horse gelding and a 5-year old Quarter Horse gelding were all unvaccinated, but all were treated and are recovering. There have been a total of 31 confirmed cases of WNV in Utah for 2017. For more information go to: http://ag.utah. gov/animal.html

 

October 03, 2017 West Nile Virus Geauga, Logan, and Wayne Counties, OH Confirmed Case(s): No Quarantine
Source: Ohio Department of Agriculture’s Animal Disease Diagnostic Laboratory

The Ohio Department of Agriculture Animal Disease Diagnostic Laboratory (ADDL) has confirmed five cases of West Nile Virus. A 4-year old Standardbred gelding showed an onset of clinical signs on 9/12/17. Signs included lethargy and moderate ataxia for 10 days, weakness in the rear limbs, and a temperature of 102 F. This gelding has responded to treatment and is improving as of 9/22/17. A 6-year old Belgian mare began showing clinical signs on 9/14/2017, which included going down in the rear legs, right rear limb more affected than the left. The mare was repeatedly up and down with a temperature of 103 F, and died spontaneously on 9/16/17, despite treatment. The horse was not vaccinated against WNV. An adult Standardbred mare was noted seeming “off” from about 9/5/17 and was first examined on 9/12/17, presenting down and unable to rise with weakness in the hind quarters.  The mare was easily agitated from a near somnolent state, and was euthanized after becoming unable to rise. The horse was not vaccinated against WNV. An 11-year old Dutch Harness Horse mare was initially found down in a pasture on 9/11/17, was unable to rise and appeared to lose control of the hind limbs. There was no response to treatment and the horse was still unable to rise on 9/12/17 or even remain in normal sitting position, wanting to lay on her side. Due to progressive clinical deterioration, she was euthanized that evening. The horse was not vaccinated against WNV. A 17-year old Standardbred mare, was first seen on 9/15/17 for low grade fever (101 F), and acute onset of ataxia in all 4 legs, muscle fasciculations in the neck and shoulders, and she did not become recumbent.  Serum collected on 9/19/17. The mare had not been vaccinated against WNV. The outcome is not known at this time (10/3/17). This brings the count of equine WNV cases to 10 in Ohio in 2017 with the following counties affected: Ashtabula (1), Geauga (1), Holmes (1), Logan (2), Tuscawaras (1), Wayne (4).

October 03, 2017 West Nile Virus Kent County, DE Confirmed Case(s): No Quarantine
Source: Delaware Department of Agriculture

The Delaware Department of Agriculture has confirmed a case of West Nile virus in Kent County. The 4 year-old Standardbred mare showed an onset of clinical signs on September 23rd and went down in the pasture with a fever on the 24th. The horse was still alive when the case was reported.