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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.


August 30, 2016
Eastern Equine Encephalitis
Ocean and Morris Counties, NJ
Confirmed case(s): Official Quarantine
A 1- year-old mare from Ocean County and a 3-year-old gelding from Morris County have tested positive for Eastern Equine Encephalitis (EEE). The mare was vaccinated for EEE but the gelding was not and both have been euthanized. These are the second and third cases of EEE in NJ this year. For more information go to http://www.nj.gov/agriculture/divisions/ah/
August 30, 2016
West Nile Virus
Petroleum County, MT
Confirmed Case(s): No Quarantine
One case of West Nile Virus has been reported in Petroleum County, Montana by the Department of Public Health and Human Services. The vaccination status and outcome of the case is unknown. For more information go to http://dphhs.mt.gov/AboutUs/8-25-16firstcasesofwestnilevirus
August 30, 2016
West Nile Virus
Boundary County, Idaho and Spokane, Lincoln, Pend Oreille Counties, WA
Confirmed Case(s): No Quarantine
The Washington Animal Disease Diagnostic Laboratory (WADDL) at Washington State University’s College of Veterinary Medicine has reported 10 confirmed positive cases of West Nile Virus since August 9th. Positive cases were detected in Spokane, Lincoln, and Pend Oreille counties in Washington and Boundary County in northern Idaho. The WNV positive horses were all unvaccinated and presented with neurological disease. For more information go to http://waddl.vetmed.wsu.edu/
August 29, 2016
West Nile Virus
Deschutes County, OR
Confirmed Case(s): No Quarantine
A Deschutes County horse has tested positive for West Nile Virus (WNV), marking the first detection of the disease in Oregon horses for the 2016 season. The affected horse is a 14-year old mare with no history of vaccination for WNV. The horse is under veterinary care and is responding to treatment. Go to: http://odanews.wpengine.com/news-release-deschutes-county-horse-diagnosed-with-west-nile-virus/
August 29, 2016
Eastern Equine Encephalitis
Ulster County, NY
Confirmed Case(s): No Quarantine
An unvaccinated, 11yr old mare was diagnosed with EEE this week. Owner first noticed symptoms on 8/22/2016. Vet came out to examine on the same day and noted the following: depression, trembling, stumbling, blindness, fever. Horse was symptomatically treated. On 8/23, vet returned to visit. Horse was down and non-responsive. Horse was euthanized on 8/23/2016. WNV and Rabies tests were negative.
August 29, 2016
West Nile Virus
Kanabec, Clearwater, Mower, and Todd Counties, MN
Confirmed Case(s): No Quarantine
Minnesota now has four more confirmed WNV cases; an unvaccinated 7 year old mare in Kanabec County (August 17), a 7 year old Fjord mare in Clearwater county (unvaccinated)(August 19), a vaccinated 10 year old Quarter Horse gelding in Mower County (August 13) and a 2 year old Appaloosa gelding in Todd County vaccinated on August 9th and sick on August 19. This brings the total in Minnesota to 11 horses in 2016.
August 27, 2016
West Nile Virus
Barren and Hardin Counties, KY
Confirmed Case(s): No Quarantine
One August 26, 2016 two cases of West Nile Virus were confirmed by the Kentucky State Veterinarian’s office. One is a 5-year-old racking horse mare fin Barren County and the second a 11-year-old Quarter Horse mare in Hardin County. Initial onset for both horses was August 22, 2016. There is no history of WNV vaccination for either horse. Both horses are alive and improving.
August 24, 2016
West Nile Virus
Uintah County, UT
Confirmed Case(s): No Quarantine
The second confirmed case of equine West Nile Virus has been reported to the Utah State Veterinarian's office. The animal, also located in Uintah County but unrelated to the first case, was a yearling, unvaccinated, Quarter Horse. The horse died during the veterinarian's farm call with clinical signs and Utah Department of Agriculture and Food had the horse tested for confirmation of the disease. For more information go to http://ag.utah.gov
August 24, 2016
Piroplasmosis
Bedford and Rutherford Counties, TN
Ongoing Investigation
Nineteen racing Quarter horses have tested positive for EP in Middle Tennessee. All are connected to two locations in Rutherford County and Bedford County. The investigation is ongoing. - See more at: http://www.tn.gov/agriculture/news/44758#sthash.SwQBNWfs.dpuf
August 24, 2016
West Nile Virus
Uintah County, UT
Confirmed Case(s): No Quarantine
The first confirmed case of equine West Nile Virus in Utah has been reported to the State Veterinarian's office. The animal, located in Uintah County, was a four-year old, unvaccinated, Quarter Horse gelding. The horse was humanely euthanized because of present clinical signs and for the welfare of the animal. No quarantine.