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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
May 13, 2016 Equine Herpes Viruses Palm Beach County, FL Confirmed case(s): Quarantine
On May 12, one premises in Palm Beach County was placed under quarantine after a horse displayed neurologic signs and was confirmed positive for EHV-1 via PCR. The 18 other horses on the premises currently are clinically normal. The index case has been euthanized for humane reasons. Biosecurity measures and twice daily temperature monitoring are in place. All states with traces have been notified. The Florida Department of Agriculture and Consumer Services will continue to monitor the situation.
May 13, 2016 Equine Herpes Viruses Washington County, WI Confirmed case(s): Quarantine
A horse in Washington county Wisconsin has tested positive for equine herpesvirus-1 (EHV-1) according to Wisconsin’s state veterinarian. The horse began showing neurologic signs earlier this week and was humanely euthanized. Three other horses currently have a fever and are being monitored while being held in isolation from the other horses in the barn. The premises has been quarantined. The Wisconsin Department of Agriculture, Trade and Consumer Protection will work with the stable owner and the veterinarian to determine when the quarantine will be released. For more information go to: http://datcp.wi.gov/news/?ID=1470
May 11, 2016 Equine Herpes Viruses Fonner Park, Grand Island, NE Quarantine Ended
As of May 10th, the quarantine issued for Fonner Park in Grand Island after three confirmed cases of Equine Herpes Myeloencephalopathy (EHM) were detected there last month has been lifted. The horses at Fonner Parker were quarantined for 21 days where they were monitored closely. During that time, no further cases were confirmed. For more information go to http://www.nda.nebraska.gov/press/may2016/ehm_quarantine_release.pdf.
May 07, 2016 Equine Herpes Viruses Erie County, NY Confirmed case(s): Quarantine
On May 6th three aged mares, all displaying neurologic symptoms, were confirmed positive for Equine Herpes Virus-1 on PCR. Neurologic symptoms along with a positive EHV-1 PCR meets the case definition for Equine Herpes Myeloencephalopathy (EHM). Both EHV-1 and EHM are reportable in New York. All three mares are from the same farm. One of those mares has been euthanized for humane reasons. The entire farm has been quarantined. Biosecurity measures and twice daily temperature monitoring are in place. New York State Department of Agriculture & Markets is continuing to monitor the situation and look for other potentially exposed animals.
May 02, 2016 Strangles Marion and Alachua Counties, FL Confirmed case(s): Quarantine
On April 29 and May 2, one premises in Marion and Alachua Counties respectively were placed under quarantine for strangles. Neither facility reported any animal movement in the previous 21 days. One facility has 2 of 9 horses on the property with clinical symptoms and the other facility had 1 of 5 horses clinical at time of quarantine. This is the second reported case of strangles in Marion County, the second in Alachua County and the 15 and 16 cases in Florida since the beginning of 2016.
April 28, 2016 Equine Herpes Viruses Bedford County, PA Quarantine Ended
The Bedford County, PA wild-type EHV-1 quarantine has now been lifted. There was a single fatal EHM case on a small, private farm. The remaining equine animals (5 riding mules) remained clinically normal and tested negative 21 days after the index case was euthanized.
April 28, 2016 Equine Herpes Viruses Parx Racetrack, Bensalem, PA Confirmed case(s): Quarantine
A 7th horse was confirmed positive for EHV-1 on Monday, April 25. The horse was in the index case barn but has since moved to the on-site quarantine area. A horse with a fever from the 2nd quarantined barn has tested negative for EHV-1 on initial tests but has been removed from the barn out of an abundance of caution and will be re-tested on Monday, May 2.
April 26, 2016 Strangles Broward and Miami-Dade Counties, FL Confirmed case(s): Quarantine
On April 25, one premises in Broward County and one premises in Miami-Dade County were placed under quarantine for strangles. Neither facility reported any animal movement in the previous 30 days. One facility has 1 clinical horse and 15 total horses while the second facility has 9 clinical horses and 55 total. This is the first reported case of strangles in Broward County, the third in Miami-Dade County and the 13 and 14 cases in Florida since the beginning of 2016.
April 25, 2016 Equine Herpes Viruses Fonner Park, Grand Island, NE Confirmed case(s): Quarantine
Restrictions on a second barn at Fonner park racetrack have been lifted after a horse suspected of EHM tested negative for the virus on April 23rd. The Nebraska Department of Agriculture and state vets have confirmed that the nasal and blood swabs sent to the National Veterinary Services Laboratories were negative for equine herpes myeloencephalopathy, a virus that affected three horses last Tuesday. Fonner Park has resumed racing though The Red Barn remains under quarantine.
April 22, 2016 Equine Herpes Viruses Parx Racetrack, Bensalem, PA Confirmed case(s): Quarantine
A sixth horse at PARX was confirmed positive for the neuropathogenic strain of EHV-1 on April 19th after it presented with a fever.  That horse is located in the index case quarantined barn.  All horses in the quarantined barns (the index case barn and the barn that had received a claimed horse from the index barn) continue to be monitored closely.  Horses from barns not under quarantine are training and racing, as they have throughout this outbreak.  Horses are not trailering into the track to race—all racing involves horses stabled on site.  Track management has allowed a few horses to leave under carefully monitored movement for medical treatment at veterinary facilities.  Those horses either return to PARX directly from the medical facility or they stay there in isolation until the PARX stable gate is reopened when the quarantines are lifted.  In the absence of any new signs of EHV-1 in the barn that had received the claimed horse, that barn will be eligible to have samples taken on April 28th for quarantine release if all samples test negative for the neuropathogenic strain of EHV-1.