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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
January 27, 2017 Equine Herpes Viruses Keeneland, Lexington, KY Outbreak Update
Testing of samples collected on 1/25/17 identified a second positive horse in barn one and three positive horses in barn two for ‘wild strain’ EHV-1. The horse in barn one is a 3 year old Thoroughbred colt. The three horses in barn two are all two year old Thoroughbred fillies. All positive horses tested positive on nasal swab, negative on blood. The colt was moved to secured isolation on the 25th, the three fillies were moved to isolation on the 26th. Each of the two quarantined barns are secured, entry into the barns restricted to essential personnel only and biosecurity levels are implemented at highest level. In addition to the affected barns, heightened biosecurity has been implemented in the entire barn area that includes directing and restricting entrance into each barn, as well as requiring disinfecting upon entry and exit of each barn.
January 25, 2017 Equine Herpes Viruses New Orleans, LA Outbreak Update
On January 23, all horses in isolation at the Fair Grounds racetrack were retested blood and nasal for EHV-1 after at least seven days of isolation. Five of 37 horses remained positive for EHV-1 non-neuropathogenic based only on nasal swab with 32 horses testing negative. Five horses that have completed quarantine were released. Trace-out horses from the receiving barn were released from restrictions following testing and or isolation. Scheduled retesting will continue on isolated horses until release requirements are fulfilled. No new symptomatic horses have been reported in any barns and increased monitoring and biosecurity remain in force.
January 25, 2017 Strangles Levy County, FL Confirmed case(s): Quarantine
On January 25, one premise in Levy County, Florida was placed under quarantine for strangles. The case was reported to the state on January 24. None of the eight equids have left the facility since clinical signs began. This is the first case for Levy County and Florida’s fifth case in 2017.
January 25, 2017 Equine Herpes Viruses Keeneland, Lexington, KY Confirmed case(s): Quarantine
Whole blood samples submitted from the population of horses in both of the previously quarantined barns have identified a single positive EHV-1 horse, a 3 year old Thoroughbred colt, in one barn. That positive horse has been removed from the barn and is in a secured isolation. Nasal swabs from each horse in the barn have been collected for testing. The population of horses continues to be confined to the barn pending results of that testing. Testing of samples completed on horses in the second quarantined barn have been reported negative on blood only and they too remain confined to the barn until testing of nasal swabs is complete. The barns are secure with movement into and out of the barns restricted to essential personnel only. Biosecurity measures have and continue to be implemented at the highest level. Updates will be provided by the Kentucky Office of State Veterinarian as new information becomes available or developments occur.
January 25, 2017 Equine Herpes Viruses Turfway Park, Florence, KY Outbreak Update
Two additional horses in the affected barn at Turfway Park, a 4 year old, Thoroughbred gelding and a 9 year old Thoroughbred mare, have tested positive for wild-type EHV-1 on PCR nasal swabs. There have been no clinical developments in the horses currently housed in Barn 27 and options for removing those two positive horses from the environment and managing the barns remaining population are being evaluated. The barns are secure with movement into and out of the barns restricted to essential personnel only. Biosecurity measures have and continue to be implemented at the highest level. Updates will be provided by the Kentucky Office of State Veterinarian as new information becomes available or developments occur.
January 24, 2017 Strangles Palm Beach County, FL Confirmed case(s): Quarantine
On January 19, one premise in Palm Beach County, Florida was placed under quarantine for strangles. The case was reported to the state on January 18. No equids have left the facility since clinical signs began. This is the first case for Palm Beach County and Florida’s fourth case in 2017. The case was not reported to the EDCC until Jan 24th due to travel by state personnel.
January 21, 2017 Equine Herpes Viruses Turfway Park, Florence, KY Confirmed case(s): Quarantine
The Kentucky Office of State Veterinarian quarantined a barn on the backside of Turfway Park after a horse from that barn tested positive the Equine Herpesvirus Type-1 wild strain on PCR assay. The 2014 Thoroughbred filly, had been stabled in the barn at Turfway from October 30 through January 19, 2017. A nasal swab sample was collected prior to moving the horse to a private facility for breeding in 2017. The filly is currently in isolation offsite on a private farm. The State Veterinarians’ Office issued a directive on Friday night, January 20, that horses in the affected barn are quarantined and security is in place to only allow access by essential personnel.  Results of testing are expected to be available Monday evening, January 23.  The Office will develop schedules to allow eligible horses in the barn to work on the track outside normal training hours after all other horses have returned to their barns. After reviewing movement records of horses in and out of Turfway, horses in two barns at the Keeneland training center have been identified for potential exposure. Each of those barns also has been placed under quarantine, and arrangements are being made to sample those horses.
January 19, 2017 Equine Herpes Viruses Oldham County, KY Outbreak Update
One barn on premises 2 remains under quarantine. Daily monitoring and evaluation of all other barns on the premises continues to provide evidence that strategies utilized thus far have been effective in containing the virus to the original index barn. There is no evidence indicating or suggesting the virus has spread on the premises. Live racing continues at Turfway Park in Northern Kentucky with disease mitigating strategies being effectively utilized. The Kentucky Department of Agriculture’s position disallows horses from affected areas to gain entry to a KY track or sanctioned training facility is unchanged from the directive issued on January 3, 2017. For more information go to: www.kyagr.com/statevet/equine-infectious-diseases.html
January 19, 2017 Equine Herpes Viruses Oldham County, KY Outbreak Update
The investigation and status on Premises 1 is unchanged –no additional cases have developed; daily monitoring and evaluation continues. Live racing continues at Turfway Park in Northern Kentucky with disease mitigating strategies being effectively utilized. The Kentucky Department of Agriculture’s position, which disallows horses from affected areas to gain entry to a KY track or sanctioned training facility, is unchanged from the directive issued on January 3, 2017. For more information go to: www.kyagr.com/statevet/equine-infectious-diseases.html
January 19, 2017 Equine Herpes Viruses New Orleans, LA Outbreak Update
No neurologic symptoms consistent with EHM have been observed since the clinical horse was isolated from Barn 36. The isolated horse from Barn 36 is recovering uneventfully and neurologic symptoms have resolved. Based on the absence of any more horses with neurological signs consistent with EHM, LDAF and infectious disease experts believe the neuropathogenic strain of EHV-1 has been contained. All positive horses have been or will be isolated with enhanced biosecurity and monitoring by recording rectal temperatures twice daily. Horses will be eligible for quarantine release with 2 consecutive negative tests, not less than 72 hours apart, and a minimum of 14 days of quarantine following its last positive test or exposure to a positive horse. More information can be found at:http://www.ldaf.state.la.us/news/update-plan-to-release-horses-at-new-orleans-fair-grounds/