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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.


July 27, 2018
West Nile Virus
Owyhee County, ID
Confirmed Case(s): No Quarantine
Source: Idaho Department of Agriculture

The Idaho Department of Agriculture has confirmed a case of West Nile Virus in a 2 year old Quarter Horse mare located at a private facility in Owyhee County. The horse showed an onset of clinical signs on July 19th, 2018 including ataxia and incoordination. Testing was confirmed positive for WNV at the ISDA Animal Health Laboratory. The horse had been vaccinated as a filly but had not received a booster vaccination. The horse is improving with supportive care.

 

July 27, 2018
Eastern Equine Encephalitis
Washburn County, WI
Confirmed Case(s): No Quarantine
Source: The Wisconsin Department of Agriculture, Trade, and Consumer Protection

On Thursday, July 26, 2018, the Wisconsin Department of Agriculture, Trade, and Consumer Protection confirmed a case of Eastern Equine Encephalitis in a 6-year-old unvaccinated Belgian mare from Washburn County. The mare presented with neurological signs and was examined on July 20, 2018. The horse died or was euthanized and brain tissue samples were submitted to the diagnostic laboratory on July 21, 2018. This is the first case of EEE in Wisconsin for 2018.

July 26, 2018
Strangles
Palm Beach and Martin Counties, FL
Confirmed case(s): Official Quarantine
Source: The Florida Department of Agriculture and Consumer Services

The Florida Department of Agriculture has reported the following 3 confirmed cases of Strangles to date in July 2018: On July 3rd, two premises in Palm Beach County, Florida were placed under quarantine - one premises due to clinical signs and a positive PCR test result for Strangles, and one for clinical signs of Strangles. On July 19th, one premises in Martin County, Florida was placed under quarantine for clinical signs and positive PCR test results for Strangles. All three horses on the property are showing clinical signs at this time.

July 26, 2018
Eastern Equine Encephalitis
Okeechobee, Osceola, Jackson, Union, Suwannee, and Clay Counties, FL
Confirmed Case(s): No Quarantine
Source: The Florida Department of Agriculture and Consumer Services

In July 2018 the Florida Department of Agriculture and Consumer Services confirmed positive tests for Eastern Equine Encephalitis (EEE) in 7 horses. On July 2nd, a six-month old unvaccinated Tennessee Walking Horse stallion in Okeechobee County became clinical on June 11th and was humanely euthanized on June 12th due to a poor prognosis. On July 3rd, a four-year old unvaccinated miniature horse mare in Osceola County became clinical on July 2nd and was humanely euthanized on the same day due to a poor prognosis. On July 10th, a nine-year old Friesian mare in Jackson County became clinical on July 2nd and has made a full recovery. On July 17th, a two-year old unvaccinated Quarter Horse stallion in Union County became clinical on July 3rd and was humanely euthanized on July 5th due to a poor prognosis. On July 17th, a one-year old unvaccinated Paso Fino mare in Polk County became clinical on July 9th and was humanely euthanized on July 11th due to a poor prognosis. On July 18th,a three-year old Quarter Horse mare in Suwannee County became clinical on July 14th and was humanely euthanized on the same day due to a poor prognosis. On July 20th, a one-year old Warmblood mare in Clay County became clinical on July 10th and was humanely euthanized on the same day due to a poor prognosis.

July 26, 2018
Eastern Equine Encephalitis
Houston, Mobile, and Geneva Counties, AL
Confirmed Case(s): No Quarantine
Source: The Alabama Department of Agriculture and Industries

On Wednesday, July 25, 2018, the Alabama Department of Agriculture and Industries confirmed three cases of Eastern Equine Encephalitis in Houston, Mobile, and Geneva Counties. All three horses exhibited central nervous system signs. ELISA testing confirmed the diagnosis of each horse. Two horses were reported as vaccinated and one horse was unvaccinated. Two horses have been euthanized due to poor prognosis.

July 26, 2018
Eastern Equine Encephalitis
Onslow County, NC
Confirmed Case(s): No Quarantine
Source: North Carolina Department of Agriculture and Consumer Services

The North Carolina Department of Agriculture and Consumer Service has confirmed a third positive case of Eastern Equine Encephalitis for 2018. The 5-year-old mare located in Onslow County and reported as having been recently vaccinated was euthanized. This is the second case of EEE confirmed in Onslow County in 2018. 

July 25, 2018
Equine Infectious Anemia
Kay County, OK
Quarantine Released
Source: The Oklahoma Department of Agriculture, Food, and Forestry

On Wednesday, July 25, 2018, the Oklahoma Department of Agriculture, Food, and Forestry released the quarantine placed on a premises in Kay County, Oklahoma after a 16 year-old Quarter Horse mare tested positive for Equine Infectious Anemia. The mare was euthanized and all exposed horses have tested negative after 60 days in isolation.

July 24, 2018
Equine Infectious Anemia
Great Bend County, SK
Confirmed case(s): Official Quarantine
Source: The Canadian Food Inspection Agency

On July 20, 2018, a positive EIA result was confirmed by the CFIA's national reference laboratory for a horse on a premises in the rural municipality of Great Bend, Saskatchewan. The horse had been sampled by an accredited veterinarian to satisfy a pre-entry requirement for a particular premises. Initial reports indicate that this horse has traveled extensively within the province for both work and competition. No clinical signs of disease were noted at the time of sampling. A CFIA investigation is underway and as per program policy, a quarantine has been placed on the infected animal and its on-premises contact animals. The quarantine will remain until all disease response activities have been completed, including follow-up testing and ordering the destruction of positive cases. Trace-out activities may require the CFIA to undertake actions at additional premises as outlined in the current program policy.

July 20, 2018
Strangles
Jefferson County, MO
Confirmed Case(s): Voluntary Quarantine
Source: Private Practioner

On Friday, July 20, 2018, a case of Strangles was reported in Jefferson County, Missouri. On June 11, 2018 at least 7 horses at a private facility had typical submandibular and facial abscesses, high fevers, anorexia, coughing, and nasal discharge. Diagnostic testing via culture confirmed the diagnosis. At least 12 other horses have been exposed and a voluntary quarantine is in place. No fatalities have been reported and the affected horses are currently receiving treatment. The horses’ vaccination status is unknown.

July 20, 2018
Strangles
Newport County, RI
Confirmed case(s): Official Quarantine
Source: Office of the Rhode Island State Veterinarian

The Rhode Island State Veterinarian confirmed a case of Strangles in Newport County, Rhode Island. Strangles was first suspected in an 8-year old pony gelding based on clinical signs on July 14th, 2018 and confirmed by PCR on nasal swab on July 18th, 2018 in an . The pony was imported to the facility from Pennsylvania by a dealer on July 10th, 2018. The stable where the pony is housed has been placed under quarantine. There are 24 horses at this facility.