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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.


March 15, 2018
Eastern Equine Encephalitis
Levy, Marion, Polk, Flagler, and Columbia Counties, FL
Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Affairs

The Florida Department of Agriculture and Consumer Services has confirmed several cases of Eastern Equine Encephalitis. One horse in Levy County, FL tested positive for EEE on 3/2/18. The 2-year-old Thoroughbred gelding became clinical on February 24 and has made a full recovery. The horse was vaccinated in June 2017. One horse in Marion County, FL tested positive for EEE on 3/7/18. The 2-year-old Andalusian mare was euthanized due to poor prognosis and severe clinical signs. She was vaccinated approximately 1 year ago. One horse in Levy County, FL tested positive for EEE on 3/8/18. The 17-year-old Arabian gelding was euthanized due to poor prognosis and severe clinical signs. She was vaccinated in 2015. One horse in Polk County, FL also tested positive for EEE on 3/8/18. The 9-month-old Quarter Horse mare was euthanized due to poor prognosis and severe clinical signs. She has no history of vaccinations. One horse in Flagler County, FL tested positive for EEE on 3/13/18. The 1-year-old Quarter Horse mare died of natural causes. She was vaccinated in August of 2017. One horse in Columbia County, FL tested positive for EEE on 3/15/18. The 11-month-old Thoroughbred mare was euthanized due to poor prognosis and severe clinical signs. Vaccination history is unknown.

March 14, 2018
Equine Herpes Viruses
Thoroughbred Center, Lexington, KY
Quarantine Released
Source: Kentucky Department of Agriculture

The Kentucky Office of the State Veterinarian released  Barn 7 from the EHV-1 quarantine. There are no positive horses remaining on the grounds and there are no barns or horses at TTC under quarantine for EHV-1.  All associated movement and training restrictions previously imposed are now rescinded.  Additionally, with removal of this quarantine at TTC, there are no racing or training facilities in KY under quarantine. 

March 09, 2018
Equine Herpes Viruses
Belmont Racetrack, Elmont, NY
Quarantine Released
Source: New York State Department of Agriculture and Markets

The New York State Department of Agriculture and Markets released Barn 10 from quarantine for EHV-1 at Belmont Park in Elmont, New York.

March 09, 2018
Equine Herpes Viruses
Montgomery, Calvert, and St. Mary's Counties, MD
Suspected Case(s): Official Quarantine
Source: Maryland Department of Agriculture
The Maryland Department of Agriculture has reported three farms in Maryland were put under hold on March 1, 2018 as they had horses that had been at the premises in VA the weekend of February 24 and 25. One farm in Montgomery County reported a horse with a fever that did test positive on blood only not on the nasal swabs on March 5. A horse was reported with a fever on a farm in Calvert County on March 7 but tested negative on blood and swabs both on March 8. The third farm in St. Mary's county reports that all horses remain afebrile. All three farms remain under hold orders. No horses have displayed any neurologic signs.
March 08, 2018
Equine Herpes Viruses
The Thoroughbred Center, KY
Outbreak Update
Source: Kentucky Department of Agriculture
The Kentucky Department of Agriculture confirmed samples collected from horses in Barn 30 at the Thoroughbred Center in Lexington tested negative for EHV-1.  These horses have been monitored daily for  greater than 14 days  since any horse in the barn had opportunity to be exposure to a EHV-1. The horses in Barn 30 have been released from the quarantine and other restrictions imposed by the KY Department of Agriculture.  The horses previously testing positive but have yet to be resolved, continue to be housed separate and apart from the general population while being assessments and tested before allowing their return and reintroduction to the general population.
March 08, 2018
Equine Infectious Anemia
Bastrop Country, TX
Confirmed case(s): Official Quarantine
Source: Texas Animal Health Commission

Texas Animal Health Commission (TAHC) officials confirmed Equine Infectious Anemia (EIA) in one Bastrop County Quarter Horse. The positive horse has been euthanized and the premises will remain under quarantine until requirements for release have been met.

March 07, 2018
Equine Herpes Viruses
The Thoroughbred Center, KY
Outbreak Update
Source: Kentucky Office of the State Veterinarian
The Office of the Kentucky State Veterinarian has reported that Barn 3 at The Thoroughbred Center in Lexington, KY has been released from quarantine after results of testing on samples collected from each horse were reported negative. In addition to the testing that has been completed, the horses have been monitored daily and our findings support that it has been greater than 14 days since any horse in the barn was last exposed to a clinical case. Meeting the criteria above has qualified the group and the horses in barn 3 to be released from quarantine and restrictions imposed by the KY Department of Agriculture. Barn 30 remains under quarantine. Officials are continuing daily monitoring. There have been no fevers or other symptoms in the group, and the horses in Barn 30 are scheduled to be sampled (swabs and whole blood) and tested by PCR later this week.

 

March 06, 2018
Equine Herpes Viruses
Los Alamitos Racecourse, CA
Quarantine Released
Source: California Department of Food and Agriculture

On March 5, 2018, the California Department of Food and Agriculture released the quarantine for Equine Herpesvirus Myeloencephalopathy at the Los Alamitos Racecourse.

 

March 05, 2018
Equine Infectious Anemia
Strathcona County, AB
Confirmed case(s): Official Quarantine
Source: Canadian Food Inspection Agency

On February 21, 2018, a positive Equine Infectious Anemia result was confirmed by the Canadian Food Inspection Agency‘s national reference laboratory for a horse on a premise in Strathcona County, Alberta. The animal was sampled by an accredited veterinarian because it was exhibiting clinical signs compatible with EIA infection. For humane reasons, the horse was euthanized shortly after sampling. A CFIA investigation is underway and as per program policy a quarantine has been placed on the 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.

March 04, 2018
Equine Herpes Viruses
Queen Creek, AZ
Confirmed case(s): Official Quarantine
Source: Arizona State Veterinarian

On Friday March 2, 2018, the Arizona State Veterinarian received notification confirming the diagnosis of Equine Herpes Myeloencephalopathy (EHM) in a 9 year old QH gelding that had tested positive for EHV-1  wild type on nasal swab while under treatment at a referral hospital.  This horse had been at Southpoint Arena in Las Vegas earlier in the month for a Cutting Horse event and also attended the Arizona Cutting Horse Association show in Queen Creek the weekend prior to developing neurological signs. The training facility is under quarantine.  As a precaution, the State Veterinarian of Nevada is reaching out to 18 states that had participants at the event not including Nevada and Arizona. The Arizona Cutting Horse Association is also reaching out to all contestants to inform them that all horses that attended the events and horses in barns should be observed for signs of illness and contact their veterinarian for testing as they may have been exposed.  The event center at Queen Creek is in the process of doing a second disinfection of the facility.  The next cutting event scheduled for Paso Robles, California has been postponed as a precaution