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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.


July 03, 2017
Strangles
Levy County, FL
Confirmed case(s): Official Quarantine
Source: Florida Department of Agriculture and Consumer Services

On July 3, one premise in Levy County, Florida was placed under quarantine for clinical signs and positive PCR confirmation of strangles.  The index case became clinical in late June. Eleven of the 59 horses on the property were clinical at time of quarantine. This the second case for Levy County and case 24 for Florida in 2017.

June 30, 2017
Equine Herpes Viruses
Bucks County, PA
Quarantine Released
Source: Pennsylvania Department of Agriculture

On Friday, June 30, the PA Department of Agriculture released the EHM quarantine in Bucks County, Pennsylvania.  This was the index premises, a small private home barn.  One other closely related barn was also under quarantine, but that quarantine was released on June 20.  No additional cases beyond the index case, which was euthanized, were identified during this quarantine.

June 27, 2017
Corona Virus
Sarpy County, NE
Confirmed case(s): Official Quarantine
Source: Attending Veterinarian

Six cases of Equine Coronavirus have been confirmed at Heartland Equine Therapeutic Riding Academy in Sarpy County, Nebraska. Clinical signs began on June 11th; the horse was immediately quarantined and was confirmed positive for coronavirus on the 16th. Since the initial diagnosis, three additional horses have tested positive and two horses are being treated as positive due to similar symptoms. There has been one fatality. The facility is currently under quarantine and there has been no movement of horses in or out since June 12th. For more information on this outbreak go to http://hetra.org/hetra-horse-illness-update/

June 26, 2017
Equine Infectious Anemia
Armstrong municipality, MB
Investigation Initiated
Source: Canadian Food Inspection Agency

On June 23, 2017 a positive EIA result was confirmed by the Canadian Food Inspection Agency’s (CFIA) national reference laboratory for a horse on a newly affected premises in the rural municipality of Armstrong in the province of Manitoba. This animal had been sampled by the CFIA as part of an ongoing investigation that began in the rural municipality of St. Clements earlier this month. The infected horse had previous contact with the animals on the index premises and was not exhibiting any obvious clinical signs. As per the current program policy, the CFIA will be testing susceptible animals on the newly identified premises in Armstrong. The infected animal had recently attended some commingling events where mandatory EIA testing was not required by organizers. The event organizers have been notified by the CFIA of the potential exposure and it has been strongly recommended that they  inform other participants of the risk.

June 22, 2017
Strangles
Island County, WA
Investigation Initiated
Source: Washington State Department of Agriculture

One horse in Island County, Washington has been diagnosed with Strangles. The horse was recently moved from a training facility in Southern California to an Island County facility where it presented with an enlarged, abscessed, cervical lymph node. The affected lymph node was cultured and testing returned positive for Strangles. One other horse which had been travelling with the index case has been cultured with results pending. The owner has been instructed how to practice biosecurity.

June 16, 2017
Equine Infectious Anemia
Bever County, Alberta, AB
Investigation Initiated
Source: Canadian Food Inspection Agency

On June 9, 2017 a positive Equine Infectious Anemia (EIA) result was confirmed by the Canadian Food Inspection Agency’s national reference laboratory for a horse that had been sampled by an accredited veterinarian on an Alberta premises in Beaver County. The horse was exhibiting clinical signs that were compatible with EIA and it died shortly after being sampled. A CFIA investigation is currently underway on the index premises and work is being done to identify other potential contacts as per current policy.

June 14, 2017
Equine Infectious Anemia
St. Clements, MB
Ongoing Investigation
Source: Canadian Food Inspection Agency

On June 9, 2017 a positive EIA result was confirmed by the Canadian Food Inspection Ageny’s national reference laboratory for a horse that had been sampled by an accredited veterinarian on a Manitoba (MB) premises in the rural municipality of St. Clements. The mare was being moved to a breeding farm in Saskatchewan and although a biosecurity plan was in place at the receiving premises, the horse was transported before its final EIA results had been reported. There was contact with the horses at the receiving premises and they will be included in the CFIA’s investigation, in addition to those that were on the initial MB premises. Clinical signs have not been reported.

 

June 14, 2017
West Nile Virus
Bourbon County, KY
Confirmed Case(s): No Quarantine
Source: http://www.kyagr.com/statevet/

The Kentucky Department of Agriculture confirmed a diagnosis of West Nile Virus in Bourbon County.  On 6/7/2017 a one year old Thoroughbred filly presented recumbent, with muscle fasiculations and seizures. The filly is current on WNV vaccination with an initial vaccination in 2016 and a booster administered on 6/1/2017. The filly is continuing to show daily improvement. The KY Department of Agriculture's equine West Nile web page at www.kyagr.com/statevet/equine-infectious-diseases.html#west has been updated to reflect this first case of 2017. 

June 07, 2017
Equine Herpes Viruses
Bucks County, PA
Confirmed case(s): Official Quarantine
Source: Pennsylvania Department of Agriculture

The Pennsylvania Department of Agriculture confirmed a case of Equine Herpesvirus Myeloencephalopathy (EHM) by RRT-PCR testing (wild-type virus).  The horse resided at a very small private barn in Bucks County, Pennsylvania.  Although the investigation is ongoing, it appears there are very few horses with known or potential exposures to this horse.  Quarantine of exposed or potentially exposed horses with monitoring of temperatures and clinical status has been implemented and will continue for a minimum of 21 days. For more info go to:  http://www.agriculture.pa.gov/Pages/default.aspx and  https://aaep.org/sites/default/files/Documents/DiseaseFactsheetEHM.pdf

 

June 01, 2017
Strangles
Lake County, FL
Confirmed case(s): Official Quarantine
Source: Florida Department of Agriculture and Consumer Services

On June 1, one premise in Lake County, Florida was placed under quarantine for clinical signs and positive PCR confirmation of strangles.  The index case became clinical around May 25.  None of the five horses on the premises have left the premises since clinical signs began. This the second case for Lake County and case 23 for Florida in 2017.