Donate to the EDCC
Sign up for Email Alerts

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 24, 2019
Equine Herpesvirus
Haldimand County, ON
Confirmed case(s): Official Quarantine
Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Number affected: 4

Notes: On January 18, 2019 the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of two cases of equine herpes viral abortion caused by equine herpesvirus-1 (EHV-1) at a farm in Haldimand County. The two mares aborted during their 9th and 10th month of pregnancy. One week prior to the abortions, two horses on the same farm suddenly developed neurological signs consistent with the neurological form of EHV-1 infection, also known as equine herpes myeloencephalopathy (EHM). These horses were euthanized and no further diagnostic testing was performed. The farm owner has voluntarily placed the premises under quarantine to reduce the risk of disease transmission. For more information go to http://www.omafra.gov.on.ca/english/food/inspection/ahw/ehv.htm

January 24, 2019
Equine Herpesvirus
Morgan County, GA
Confirmed case(s): Official Quarantine
Source: Georgia Department of Agriculture

Number affected: 2 confirmed, 3 suspected

Notes: The Georgia Department of Agriculture’s (GDA) Animal Industry Division has confirmed two cases of EHV-1, including one EHM case, and three suspect cases at a Morgan County facility. All equids on the farm are being monitored. None are showing clinical signs of the disease at this time. GDA has placed an official quarantine.

January 24, 2019
Equine Influenza
Snohomish County, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

Number affected: 1

Age:20; Gender: Gelding; Breed: Warmblood; Onset of Clinical Signs: 1/03/2019; Clinical Signs: Acute respiratory distress ; Horse Status: Deceased; Vaccination Status: Vaccinated;

Notes: The horse had a history of appropriate vaccination. Diagnostics are ongoing.

January 24, 2019
Strangles
Thurston, Spokane, Snohomish, and Franklin Counties, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

Location: Thurston County, WA

Number affected: 2

Notes: Both affected horses showed upper respiratory signs and were confirmed positive on 1/18/2019. No quarantines were put in place.

 

Location: Spokane County, WA

Number affected: 1

Age: 5; Gender: Castrated male; Breed: Mule: Onset of Clinical Signs: 12/20/2018 ; Clinical Signs: Not reported; Horse Status: Not reported; Vaccination Status: Not reported;

Notes: No quarantine was put in place

 

Location: Snohomish County, WA

Number affected: 1

Notes: The affected horse was confirmed positive for Strangles on 1/03/2019. No quarantines were put in place.

 

Location: Franklin County, WA

Number affected: 2

Notes: Both horses show swollen lymph nodes and were confirmed positive on 1/16/2019.

 

January 21, 2019
Equine Herpesvirus
Elkhart County, IN
Confirmed Case(s): No Quarantine
Source: Indiana State Board of Animal Health

Number affected: 1

Age: Not reported ; Gender: Not reported; Breed: Not reported: Onset of Clinical Signs: 01/05/2019; Clinical Signs: Not reported; Horse Status: Euthanized; Vaccination Status: Not reported

Notes: The horse became ill on January 5 and was treated January 6 and euthanized later that day. No quarantine was issued.

 

January 18, 2019
Equine Infectious Anemia
Rutherford County, TN
Confirmed case(s): Official Quarantine
Source: Tennessee Department of Agriculture

The Tennessee Department of Agriculture has confirmed a positive Equine Infectious Anemia test on a racing Quarter Horse in Rutherford County, Tennessee which was reported on January 10th,2018. One of the staff veterinarians from the Department of Agriculture tested all of the horses on the farm. Three other quarter horses on the farm tested positive for EIA at Kord Lab on Monday, a second AGID test was ran Tuesday. The 3 horses tested at Kord Lab were confirmed positive at NVSL. All four positive EIA horses have been euthanized. Iatrogenic transmission is suspected. The other six horses on the farm tested negative and were quarantined. They will be retested in March.

 

January 17, 2019
Equine Herpesvirus
LaGrange County, IN
Quarantine Released
Source: Indiana State Board of Animal Health

On January 15, 2019 the Indiana State Board of Animal Health released the Equine Herpesvirus Myeloencephalopathy (EHM) quarantine for the premises in LaGrange County, Indiana.

January 16, 2019
Salmonellosis
Miami Animal Import Center, FL
Suspected Case(s): Official Quarantine
Source: Animal and Plant Health Inspection Agency

The USDA’s Animal and Plant Health Inspection Agency has reported that the Miami Animal Import Center will be temporarily closed to new arrivals of horses beginning on January 19th in response to illness in a handful of horses quarantined at the facility. APHIS is investigating to determine the specific cause of illness, but salmonella is suspected, and the facility is stepping up biosecurity and taking additional precautions to prevent any further disease spread. The temporary closure is effective on Saturday, January 19, 2019. APHIS is conducting environmental testing at the facility, and the samples will be sent to the National Veterinary Services Laboratories for diagnostic testing. To date, six horses have fallen ill with symptoms, such as diarrhea, fever and lameness. Despite receiving immediate medical treatment, three of the horses died. The other three horses are recovering. APHIS will share more information once it is available.

 

January 16, 2019
Equine Infectious Anemia
Municipal District of Bonnyville, AB
Confirmed case(s): Official Quarantine
Source: Canadian Food Inspection Agency

The Canadian Food Inspection Agency has reported a confirmed case of Equine Infectious Anemia in the Municipal District of Bonnyville, Alberta, Canada. On January 11, 2019, a positive EIA result was confirmed by the CFIA’s national reference laboratory for a horse on a premises in the municipal district of Bonnyville, Alberta. The horse had been sampled by an accredited veterinarian at the owner’s request after it had been purchased from an auction mart. No clinical signs of disease were noted at the time of sampling. A CFIA investigation is underway and as per program policy, a quarantine has been placed on the infected animal and its 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. For more information go to https://www.cahss.ca/surveillance/equine/

 

January 15, 2019
Strangles
Jackson, Washtenaw, Monroe Counties, MI
Confirmed Case(s): No Quarantine
Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development has confirmed three more cases of strangles for 2018. The first case was in a five-year-old Quarter Horse gelding from Jackson County. The horse developed nasal discharge and fever on December 14, 2018 and was later confirmed on culture to have the disease. The horse recovered well. The second case was in a 15-year-old Arabian mare in Washtenaw County that has an almost two-month history (first observed around November 1, 2018) of a cough and feed observed coming from her nostrils. The mare was subsequently found to have the disease through culture. The mare is under treatment at a premises which has had other cases of strangles confirmed this year. It is unclear if either of the above horses were vaccinated against strangles. The third case was in a 7-year-old Quarter Horse gelding from Monroe County. The horse was examined by a veterinarian on December 28, 2018 due to an having nasal discharge for an unknown timeframe and subsequently underwent confirmatory testing. The horse was unvaccinated and is recovering. No quarantines were issued. This brings the total number of confirmed 2018 strangles cases in Michigan to 22.