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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 10, 2017 West Nile Virus St. Croix 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 received confirmation of its third positive equine West Nile Virus case on 8/9. The horse was an 8 year old unvaccinated Standardbred gelding from St. Croix County. He showed neurologic signs and was unable to rise when the veterinarian saw him and was subsequently euthanized.

August 05, 2017 Eastern Equine Encephalitis Cabarrus, NC Confirmed Case(s): No Quarantine
Source: North Carolina Department of Agricultrue and Consumer Services

On August 3rd, the North Carolina Department of Agriculture confirmed a case of Eastern Equine Encephalitis in a 16 year old paint horse in Cabarrus County. The horse has died after contracting the virus. This is the first confirmed report of EEE in NC in 2017. For more information go to http://www.ncagr.gov/paffairs/release/2017/8-3-17-first-eee-case-of-year-in-horse.htm

August 02, 2017 West Nile Virus Menifee County, KY Confirmed Case(s): No Quarantine
Source: Kentucky Department of Agriculture

The Office of the Kentucky State Veterinarian confirmed a case of West Nile Virus on August 1st. The 18 year old Pleasure Saddle Horse mare in Menifee County presented on July 26th with severe rear limb ataxia, lethargy, and crossing the front legs. The horse, which had no WNV vaccination history, was euthanized on July 28th after its condition continued to deteriorate. For more information visit http://www.kyagr.com/statevet/equine-infectious-diseases.html#WNV

August 01, 2017 West Nile Virus Clark County, WI Confirmed Case(s): No Quarantine
Source: Wisconsin Department of Agriculture, Trade, and Consumer Protection

The Wisconsin Departments of Agriculture, Trade, and Consumer Protection has reported its second confirmed case of WNV for 2017. A Standardbred mare, unknown age from Clark County, was euthanized on 7/24 after it was found unable to rise.  Sample results confirmed acute WNV. There was no known history of WNV vaccinations.

July 31, 2017 Eastern Equine Encephalitis Monroe County, WI Confirmed Case(s): No Quarantine
Source: Wisconsin Department of Agriculture, Trade, and Consumer Protection

On July 28th the Wisconsin Department of Agriculture, Trade, and Consumer Protection received notice of two confirmed cases of EEE. Both affected horses were yearling fillies owned by the same owner residing in Monroe County. It was reported that both fillies were vaccinated in November 2016 and again in December 2016 but had not been vaccinated in 2017. One of the fillies died and one was euthanized after both showed severe neurologic signs.  Cases confirmed (PCR) at WVDL.  No quarantine was issued. These are the first cases of EEE reported in Wisconsin in 2017.

July 29, 2017 West Nile Virus Jackson, Livingston, and Missaukee Counties, MI Confirmed Case(s): No Quarantine
Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development received confirmation on July 28 that three Michigan horses tested positive for West Nile virus.  A 31 year old Arabian mare from Jackson County, an eight year old Arabian gelding from Livingston County and a 15 year old Standardbred gelding from Missaukee County developed severe neurologic signs which included incoordination, sweating, right sided facial paralysis, head pressing, paddling and an inability to stand. All three affected horses were euthanized. The vaccination history is unknown. 

July 28, 2017 Rabies Benton County, MN Confirmed Case(s): No Quarantine
Source: Minnesota Board of Animal Health

A press release from the Minnesota Board of Animal Health reports a horse in Benton County tested positive for rabies on July 24th. The horse began showing clinical signs on July 18th which included recumbency (inability to stand), facial spasms, low-grade fever, and incoordination but was eating and drinking normally. The owner elected to euthanize the horse after it failed to respond to treatment. This is the first confirmed positive case of rabies in Minnesota for 2017. For more information go to https://www.bah.state.mn.us/rabies_alert/benton-county-horse-tests-positive-for-rabies-virus/

July 27, 2017 West Nile Virus Franklin County, KY Confirmed Case(s): No Quarantine
Source: Kentucky State Veterinarian

The office of the Kentucky State Veterinarian has reported that an 18 year old Tennessee Walking Horse mare in Franklin County has tested positive for West Nile Virus. The unvaccinated horse presented on July 24th with muscle fasciculations, mild lip paresis, inappetence, and reluctance to move. As of July 27th, the horse was in stable condition and showing some improvement. This is the second case of WNV confirmed in a KY horse in 2017. For more information go to //www.kyagr.com/statevet/equine-infectious-diseases.html#WNV

 

July 26, 2017 Eastern Equine Encephalitis Iberville Parish, LA Information Only
Source: Louisiana Department of Agriculture and Forestry

The Louisiana Department of Agriculture and Forestry released a statement  on July 25th confirming that an unvaccinated horse in Iberville Parish has tested positive for Eastern Equine Encaphalitits. For more information go to http://www.ldaf.state.la.us/news/horse-tests-positive-for-eastern-equine-encephalitis/

July 26, 2017 Eastern Equine Encephalitis Charleston County, SC Confirmed Case(s): No Quarantine
Source: Office of the South Carolina State Veterinarian

The South Carolina State Veterinarian’s office received laboratory confirmation of Equine Eastern Encephalitis (EEE) in a 7-year old Quarter Horse gelding in Charleston county.  The horse, which had been vaccinated in April 2016 (not current), was euthanized.  This is the second EEE case for 2017.