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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
September 19, 2017 West Nile Virus Vernon 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 confirmed West Nile Virus in an unvaccinated 14-year-old Standardbred cross from Vernon County.  The hose was examined on 8/21/17 and found with a low-grade fever, slightly uncoordinated, lethargic and had twitching around the muzzle with chewing motions though it was not eating at the time.  The horse was treated and is recovering.  No quarantine was issued.

September 18, 2017 Equine Infectious Anemia Rosedale Municipality, MB Confirmed case(s): Quarantine
Source: Canadian Food Inspection Agency

On Sept 13, 2017 a positive Equine Infectious Anemia (EIA) result was confirmed by the Canadian Food Inspection Agency’s (CFIA) national reference laboratory for a horse on a premises in the rural municipality of Rosedale, Manitoba (MB). This animal had been sampled by an accredited veterinarian to comply with an event pre-entry requirement; clinical signs of the disease were not reported. A CFIA investigation is underway and as per program policy, a quarantine has been placed on the infected animal and its on-premises contacts. The quarantine will remain until all disease response activities have been completed, including follow-up testing and ordering the destruction of confirmed positive cases.

September 18, 2017 West Nile Virus Russell County, KY Confirmed Case(s): No Quarantine
Source: Kentucky Department of Agriculture

The Kentucky Department of Agriculture confirmed West Nile Virus in an 8-year old Quarter Horse gelding. On 9/12/17 the horse was down, unable to rise and was euthanized. 

September 18, 2017 West Nile Virus Bruce County, Waterloo County, Renfrew County, District of Muskoka and the Regional Municipality, ON Confirmed Case(s): No Quarantine
Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Since September 15th, 5 cases of West Nile Virus in Bruce County, Waterloo County, Renfrew County, District of Muskoka and the Regional Municipality were reported to the Ontario Ministry of Agriculture, Food and Rural Affairs. The horses included 2 gelding and 3 mares with ages ranging from 4 to 20 years.  Clinical signs ranged from hind end weakness and lethargy to recumbency and severe hyperesthesia. Two of the horses were euthanized and three are recovering under veterinary supervision. Four horses were unvaccinated and one had an unknown vaccination history. The total number of cases reported in Ontario this year is 12.

 

September 18, 2017 Equine Infectious Anemia Bryan County, OK Confirmed Case(s): No Quarantine
Source: Oklahoma Department of Agriculture

The Oklahoma Department of Agriculture (ODAFF) has confirmed the second EIA positive horse for 2017 in Oklahoma. The 6 year old registered QH gelding located in Bryan County was euthanized and the facility placed in quarantine. This horse was discovered as part of a disease investigation involving an EIA positive race horse in Louisiana. The two EIA positive horses recently raced at Delta Downs. Past EIA test history for this horse is unknown. For more information about EIA go to: https://www.aphis.usda.gov/vs/nahss/equine/eia/eia_info_sheet.pdf

September 17, 2017 West Nile Virus Elko County, NV Confirmed Case(s): No Quarantine
Source: Nevada Department of Agriculture

The Nevada Department of Agriculture confirmed West Nile Virus in a 5-year old gelding showing ataxia, hind limb paresis and lip droop. The horse was not vaccinated and is continuing to eat and drink although clinical signs remain severe. The horse is located in north east Elko County between Wells and the Idaho border. 

September 15, 2017 West Nile Virus Jackson County, FL Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Services

On 9/7/17, in Jackson County, the Florida Department of Agriculture and Consumer Services confirmed a horse with West Nile Virus. On 9/9/17 the same horse was confirmed positive for Eastern Equine Encephalitis (EEE). The vaccination history for this horse is unknown.  The horse became clinical on 8/30/17 and was euthanized on 8/31/2017.  This is the second WNV case for Florida and the fourth EEE case for Florida in 2017.

September 15, 2017 West Nile Virus Bay County, FL Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Services

On September 7th the Florida Department of Agriculture and Consumer Services confirmed a case of West Nile Virus in a 18 year old horse reportedly vaccinated by the owner approximately 10 months prior to the onset of clinical signs on 8/28/17. The horse was euthanized on 8/30/17. This was the first case of WNV for Florida in 2017.

September 15, 2017 Eastern Equine Encephalitis Santa Rosa County, FL Confirmed Case(s): No Quarantine
Source: Florida Department of of Agriculture and Consumer Services

The Florida Department of of Agriculture and Consumer Services confirmed a case of Eastern Equine Encephalitis in a 5-year old unvaccinated horse with clinical signs starting on 8/27/17 in Santa Rosa County. The horse was euthanized  and is the 3 case of EEE in Florida in 2017.

September 15, 2017 West Nile Virus Vernon 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 confirmed West Nile Virus in a Standardbred mare presenting with ataxia and facial twitching last month.  The mare died despite treatment and the mare's 3 month old foal was not affected. This is the 15th case of WNV in Wisconsin in 2017.