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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.


August 30, 2017
Eastern Equine Encephalitis
Okaloosa County, FL
Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Services

The Florida Department of Agriculture and Consumer Services has reported that on August 21st 2017 one horse in Okaloosa County, Florida was confirmed with EEE.  The vaccination history is unknown and the horse became neurologic and died on August 7th. This the second case for Florida in 2017.

August 30, 2017
Eastern Equine Encephalitis
Ashtabula County, OH
Confirmed Case(s): No Quarantine
Source: Ohio Department of Agriculture’s Animal Disease Diagnostic Laboratory

The Ohio Department of Agriculture’s Animal Disease Diagnostic Laboratory has confirmed a case of Eastern Equine Encephalitis in a horse from Ashtabula County. The horse was unvaccinated and was euthanized. For more information go to http://ocj.com/2017/08/eee-virus-confirmed-in-ohio-horse/

August 29, 2017
Eastern Equine Encephalitis
Wexford County, 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 of Michigan's first Eastern Equine Encephalitis case for 2017. The unvaccinated, one-year-old Standardbred colt from Wexford County developed a fever and was unable to rise and died of the disease.

 

August 25, 2017
Equine Infectious Anemia
Johnston County, NC
Confirmed case(s): Official Quarantine
Source: North Carolina Department of Agriculture and Consumer Services

A 14-year-old female mule in Johnston County was confirmed to have equine infectious anemia. The disease was discovered through a routine blood test by the N.C. Veterinary Diagnostic Laboratory in Raleigh and confirmed by the U.S. Department of Agriculture. This is the first new case of EIA documented in North Carolina since 2005. The Johnston County facility is under a quarantine restricting movement of equine until further testing is completed by the N.C. Department of Agriculture and Consumer Services. The affected mule was euthanized. The remaining equines at the facility were tested and were negative for EIA. These horses will be observed and retested in 60 days. Neighboring facilities are being monitored for the disease. For more information go to:  http://www.ncagr.gov/paffairs/release/2017/EIApositivemule.htm

August 25, 2017
West Nile Virus
Outagamie County, WI
Confirmed Case(s): No Quarantine
Source: Wisconsin Department of Agriculture, Trade, and Consumer Protection

Wisconsin Department of Agriculture, Trade, and Consumer Protection received notice of the 6th confirmed equine WNV today.  An unvaccinated 3-year-old American Saddlebred from Outagamie County went down, was sampled, and was euthanized on 8/17/2017. 

August 25, 2017
Eastern Equine Encephalitis
Jasper and Charleston Counties, SC
Confirmed Case(s): No Quarantine
Source: South Carolina State Veterinarian

The South Carolina State Veterinarian’s office has received laboratory confirmations of 2 positive EEE cases this week. One was 4 year old Tennessee Walking Horse mare in Jasper County that was vaccinated last fall. The second positive EEE case was a 3.5 year old Quarter Horse gelding with unknown vaccination status diagnosed in Charleston County.  Both horses were euthanized. 

August 25, 2017
West Nile Virus
Riverside County, CA
Confirmed Case(s): No Quarantine
Source: California Department of Food and Agriculture

On August 24, 2017, the California Department of Food and Agriculture has confirmed an additional equine cases of West Nile Virus. A 3 year old Quarter Horse stallion in Riverside County, California displaying neurologic signs was confirmed positive for the virus. The stallion was euthanized due to the severity of the disease. For 2017, a total of nine(9) 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 25, 2017
West Nile Virus
Carbon County, UT
Confirmed Case(s): No Quarantine
Source: Utah Department of Agriculture and Food

The Utah Department of Agriculture and Food received confirmation of WNV in a 1-year-old pony mare from Carbon County. This is the fourth case of WNV for Utah in 2017.

August 25, 2017
Equine Herpes Viruses
King William County, VA
Confirmed case(s): Official Quarantine
Source: Virginia Department of Agriculture and Consumer Services

The Virginia Department of Agriculture and Consumer Services’ (VDACS) has confirmed a diagnosis of Equine Herpesvirus Myeloencephalopathy (EHV-1) on a second farm in Virginia. On August 15 VDACS announced an unrelated finding of EHV-1 on a farm in Culpeper County. That farm continues to be under quarantine. This new case originated from a small private pleasure horse farm in King William County. Out of the 4 horses that showed clinical signs compatible with Equine Herpesvirus Myeloencephalopathy (EHM), 2 horses tested positive and both of them were euthanized. This farm is under quarantine and all exposed horses are being monitored twice daily for fever (temperature over 101.50oF) and other clinical signs. No horses have been on or off the premises for 1 year. There are no horses near this farm that have been exposed, and there is no association between this farm and any of the horses or people at the first quarantined farm, including equine professionals. 

August 25, 2017
West Nile Virus
Dodge 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 received confirmation of its fifth equine West Nile Virus case for 2017.  An unvaccinated 5-year-old Quarter Horse gelding from Dodge County was examined and sampled 8/17 after exhibiting a sudden onset of ataxia, mainly in the front quarters.  The horse was treated and is improving.