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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.


January 31, 2018
Strangles
Lake and Walton Counties, FL
Confirmed case(s): Official Quarantine
Source: Florida Department of Agriculture and Consumer Affairs

The Florida Department of Agriculture and Consumer Services has confirmed Strangles in two counties. On January 25th, 2018, one premise in Lake County, Florida was placed under quarantine for clinical signs and a positive culture confirmation of Strangles. Three of the nine horses on the premise are showing clinical signs at this time. On January 29th, 2018, one premise in Walton County, Florida was placed under quarantine for a positive PCR result for Strangles. These represent the second case of Strangles reported in Lake County and the first case reported in Walton County and brings the total to four cases confirmed in Florida in 2018.

January 31, 2018
Eastern Equine Encephalitis
St. Johns County, FL
Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Affairs

On January 12th, 2018, one horse in St. Johns County Florida was confirmed positive for Eastern Equine Encephalitis (EEE). The 2 year old miniature horse gelding became clinical on January 10th and was euthanized on January 16th due to a poor prognosis. The vaccination history is unknown.

January 30, 2018
Equine Infectious Anemia
Finney County, KS
Quarantine Released
Source: Kansas Department of Agriculture

The EIA quarantine in Finney County, Kanasa has been lifted. 

January 30, 2018
Equine Infectious Anemia
Brazoria, Dallas, El Paso, Fort Bend, Grayson, Harris, Johnson, Kaufman, Kimble, McLennan, and Tarrant Counties, TX
Information Only
Source: Texas Animal Health Commission

Texas Animal Health Commission (TAHC) confirmed Equine Infectious Anemia (EIA) in 23 Quarter Horses, 1 Thoroughbred, and 1 Paint during the 2017 calendar year. One or more horses were located in the following counties: Brazoria, Dallas, El Paso, Fort Bend, Grayson, Harris, Johnson, Kaufman, Kimble, McLennan, and Tarrant.

January 30, 2018
Equine Herpes Viruses
Portland Meadows Racetrack, OR
Confirmed case(s): Official Quarantine
Source: Oregon Department of Agriculture

The Oregon Department of Agriculture is reporting that a case of wild type EHV-1 has been detected at the Portland Meadows race track.  A 7-year old thoroughbred mare developed mild ataxia on January 25.  Neither the neuropathogenic or wild type strains of EHV-1 were detected by PCR testing on blood EDTA samples.  The EHV-1 neuropathogenic strain was not detected by PCR testing on nasal swab samples, however, the wild type strain was detected. Portland Meadows race track veterinary authorities have quarantined the index case and high-risk contacts in a barn separate from other horses.  Enhanced biosecurity measures have been implemented.  The index case is stable and non-febrile.  High risk contacts are being closely monitored.  To date, there have been no additional sick animals reported.

January 27, 2018
Equine Herpes Viruses
Belmont Park Racetrack, NY
Quarantine Released
Source: New York State Gaming Commission

On January 26, 2018  New York Racing Association and New York State Gaming Commission removed the quarantine at Barn 44 at Belmont Park, in Elmont, New York, subsequent to a negative test for Equine Herpesvirus-1 on a horse that previously tested positive. Horses in Barn 44 are now able to run and enter races, as well as train among the general horse population during regular training hours.

January 25, 2018
Equine Influenza
Bibb County, GA
Confirmed Case(s): No Quarantine
Source: Attending Veterinarian

Laboratory results have confirmed several cases of Equine Influenza in Bibb County, Georgia. The attending veterinarian reported that clinical signs including fever up to 104 F, mucopurulent nasal discharge, cough, and lethargy were observed on January 16th, 2018 in horses at a private facility. 24 horses have been reported as affected with 57 horses exposed.

January 24, 2018
Equine Herpes Viruses
Laurel Park Racetrack, MD
Quarantine Released
Source: Maryland Department of Agriculture

On January 23, 2018 the Maryland Department of Agriculture's Animal Health Program confirmed that the retest for EVH-1 by nasal swab and blood, which was previously positive in a horse in Barn 20 at the Laurel Park Racetrack, is now negative for EHV-1. Since this horse is no longer considered contagious and over the last 14 days there has been no history of febrile horses with upper respiratory disease in Barn 20, the Investigational Hold Order on Barn 20 can be safely released on 1/24/2018.

January 24, 2018
Equine Herpes Viruses
The Meadows Racetrack, PA
Confirmed case(s): Official Quarantine
Source: Pennsylvania Department of Agriculture

The Pennsylvania Department of Agriculture was notified today that a standardbred horse at The Meadows Racetrack in Washington, PA had showed clinical signs consistent with EHM. The horse has tested positive for EHV-1 and is currently under medical treatment. Two barns at The Meadows are currently under quarantine due to a horse that moved earlier from the original exposed barn. This horse causing the second barn’s movement restriction is not showing clinical signs. A daily monitoring period for clinical signs in the remaining exposed, asymptomatic horses is ongoing. Updates will be posted as they become available.

January 23, 2018
Equine Herpes Viruses
Albemerle County, VA
Confirmed case(s): Official Quarantine
Source: Virginia Department of Agriculture and Consumer Services

On Thursday January 18, the State Veterinarian’s Office of the Virginia Department of Agriculture and Consumer Services (VDACS) confirmed that a horse that had been exposed to another horse with Equine Herpesvirus Myeloencephalopathy (EHM) tested positive for Equine Herpesvirus-1 (EHV-1). The infected horse is on a small private sport horse farm in Albemarle County. The horse had been a patient at New Bolton Center, University of Pennsylvania School of Veterinary Medicine where it was exposed to a horse that was subsequently diagnosed with Equine Herpes Myeloencephalopathy. The Virginia horse had a fever but is not showing any other clinical signs. The farm in Albemarle County is under quarantine and all exposed horses are being monitored twice daily for fever (temperature over 101.50 F) and other clinical signs. No horses have been off the farm since this horse returned from New Bolton Center. No other horses have been exposed to this horse.