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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.


December 10, 2018
Equine Herpesvirus
Snyder County, PA
Confirmed case(s): Official Quarantine
Source: Pennsylvania Department of Agriculture, Bureau of Animal Health

On December 7, 2018, the Pennsylvania Veterinary Laboratory in Harrisburg, PA confirmed Equine Herpesvirus Myeloencephalopathy in a horse with hind limb ataxia tested positive for EHV-1 (G-strain). As of 12/10/18, two horses were affected and both horses have been euthanized at this premises. The premises, a pleasure horse barn in Snyder County, Pennsylvania, has been quarantined by the Pennsylvania Department of Agriculture, Bureau of Animal Health. Eight horses remain on the premises and are being monitored for clinical signs of EHV-1 infection and biosecurity precautions have been implemented to prevent the spread of the virus off of the premises. No additional clinical signs have been noted in the remaining horses.

December 06, 2018
Equine Herpesvirus
Snohomish County, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

The Washington Department of Agriculture has reported two confirmed cases of Equine Herpesvirus 4 in Snohomish County.

 

December 06, 2018
Equine Influenza
Snohomish and Skagit Counties, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

The Washington Department of Agriculture has reported four cases if Equine Influenza. Two cases were confirmed in Snohomish County and two in Skagit County. Reports indicate that most of the Equine Influenza cases have occurred in unvaccinated horses.

 

December 04, 2018
Equine Infectious Anemia
Fremont County, CO
Confirmed case(s): Official Quarantine
Source: Colorado Department of Agriculture

On December 4, 2018 the Colorado Department of Agriculture confirmed Equine Infectious Anemia (EIA) in a horse that was tested for routine movement. The horse is quarantined in Fremont County. This is the fourth case of EIA in Colorado this year and is unrelated to the previous three cases. For more information go to: https://www.colorado.gov/pacific/agmain/news/1242018-fourth-eia-positive-horse-identified-colorado

November 30, 2018
Equine Infectious Anemia
Athabasca County, AB
Confirmed case(s): Official Quarantine

On November 21, 2018 the Canadian Food Inspection Agency confirmed a horse with Equine Infection Anemia in Athabasca County, Alberta. No clinical signs of disease were noted at the time of sampling. A CFIA investigation is underway and as per program policy, and  a quarantine has been placed on the infected animal and its on-premises contact animals. Initial reports indicate there are several equines on the affected premises. The quarantine will remain until all disease response activities have been completed, including follow-up testing and ordering the destruction of positive cases.

 

November 28, 2018
Equine Influenza
Whatcom, Snohomish, and Thurston Counties, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

The Washington State Department of Agriculture has reported seven cases of Equine Influenza. Three cases were reported in Whatcom County, three in Snohomish County, and one case in Thurston County. No quarantines have been established at this time.

November 28, 2018
Strangles
Thurston County, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

The Washington State Department of Agriculture has reported one case of Strangles in Thurston County. No quarantines have been established at this time.

November 26, 2018
West Nile Virus
Loudon and Monroe Counties, TN
Confirmed Case(s): No Quarantine
Source: Tennessee Department of Agriculture

The Tennessee Department of Agriculture has confirmed two cases of Equine West Nile virus. An 8-year-old Saddlebred mare in Loudon County that had been vaccinated in March of 2018 was confirmed positive on November 12th, 2018 on IgM ELISA. A 7-year-old Tennessee Walking Horse gelding of unknown vaccination status located in Monroe County was confirmed positive on November 16th, 2018 on IgM ELISA.

November 21, 2018
Equine Influenza
Snohomish and Skagit Counties, WA
Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture

The Washington State Department of Agriculture has reported four additional cases of Equine Influenza. Two horses were confirmed in Skagit County and two were confirmed in Snohomish County. No quarantines have are in place. For more information on Equine Influenza go tohttps://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EquineInfluenza_FINAL.pdf 

November 20, 2018
Equine Herpesvirus
San Mateo County, CA
Quarantine Released
Source: California Department of Food and Agriculture

On November 21, 2018, the California Department of Food and Agriculture released the quarantine on the horse in San Mateo County following two negative EHV-1 tests. No additional cases were detected and the quarantine has also been released on all exposed horses. There are currently no EHV-1 quarantines in California.