Support 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.


Date Disease Location Status
September 22, 2017 West Nile Virus Hardin County, KY Confirmed Case(s): No Quarantine
Source: Kentucky Department of Agriculture

The Kentucky Department of Agriculture has reported confirmation of a case of equine West Nile virus in Hardin County. The 17-year-old Quarter Horse gelding, which had no WNV vaccination history, presented with clinical signs on September 14th which included ataxia and muscle fasciculations. The horse received treatment and showed an initial response but relapsed and was euthanized on September 22nd after he became recumbent. This is the 11th equine WNV case confirmed in Kentucky in 2017.

September 22, 2017 West Nile Virus Logan, Spanish Fork, Erda, Utah, Cache, Payson, Bluffdale, Honeyville, Salt Lake, and Box Elder Counties, UT Confirmed Case(s): No Quarantine
Source: Utah Department of Agriculture and Food

The Utah Department of Agriculture has reported ten horses have tested positive for WNV with clinical signs initially observed between 9/8 and 9/20.  Horses are all from different premises located throughout the north-central part of the state. Five of the horses were treated and are recovering. The other five horses were not treated by their veterinarian and their status is unknown. The cases occurred in the following counties: Logan, Spanish Fork, Erda, Utah, Cache, Payson, Bluffdale, Honeyville, Salt Lake, and Box Elder Counties. For more information go to http://ag.utah.gov/animal/animal-health.html.

September 22, 2017 West Nile Virus Brantley County, GA Confirmed Case(s): No Quarantine
Source: Georgia Department of Agriculture

The Georgia Department of Agriculture has confirmed a case of WNV in Brantley County in a 2 year old, vaccinated QH. The horse presented with acute neurological signs and is recovering with supportive care. The 2017 total reported WNV cases in GA to date are 5 confirmed, 1 presumptive positive.

September 21, 2017 West Nile Virus Johnson County, KY Confirmed Case(s): No Quarantine
Source: Office of the Kentucky State Veterinarian

The Office of the Kentucky State Veterinarian has confirmed a case of equine West Nile virus in Johnson County. The 4-year-old Rocky Mountain Horse mare showed an onset of clinical signs on September 14th which included ataxia, muzzle twitch, and muscle fasciculations. The mare had no WNV vaccination history but was reported to be recovering on September 20th. This is Kentucky’s 10th confirmed equine WNV case in 2017.

September 21, 2017 Strangles Walton and Jackson Counties, GA Information Only
Source: Georgia Department of Agriculture

The Georgia Department of Agriculture has confirmed a single case of Strangles in each of the following counties:  Walton and Jackson.

 

September 21, 2017 West Nile Virus Elbert and Walker Counties, GA Confirmed Case(s): No Quarantine
Source: Georgia Department of Agriculture

The Georgia Department of Agriculture has confirmed 2 additional cases of WNV in the following counties: Elbert (2 year, unvaccinated Miniature Horse) and Walker (6 year, unvaccinated AS horse). Both horses presented with acute neurological signs. In one case, the horse recuperated with supportive care and in the other case, the horse was euthanized due to poor prognosis. The 2017 total reported WNV cases in GA to date are 4 confirmed, 1 presumptive positive.

September 21, 2017 Eastern Equine Encephalitis Lowndes County, GA Confirmed Case(s): No Quarantine
Source: Georgia Department of Agriculture

The Georgia Department of Agriculture has confirmed a second EEE case in Lowndes County (3 year, Paint horse, unknown vaccine status).  The horse was febrile with acute onset neurological signs including seizures, blindness, and inability to rise. The horse was euthanized due to poor prognosis. The 2017 total reported EEE cases in GA to date are 5 confirmed, 1 suspect.

September 20, 2017 West Nile Virus Ashtabula, Holmes, Tuscawaras and Wayne counties,, OH Confirmed Case(s): No Quarantine
Source: Ohio Department of Agriculture’s Animal Disease Diagnostic Laboratory

Five horses in northeast Ohio have been confirmed positive for West Nile virus (WNV) between August 23 and September 5, 2017, based on clinical signs and serologic testing at the National Veterinary Services Laboratories in Ames, Iowa. A 12-year-old gelding from Wayne County presented on August 23rd with fever (102-103 F), ataxia, head wobbling, lethargy, weakness, and was unsteady in the rear limbs. As of Sept. 12, the attending veterinarian reported the horse was "alive and showing improvement, and was responding to supportive treatment. An approximately 10-year-old, also from Wayne County, the gelding was euthanized on August 26th after having been treated for 3 days. The horse was down, unable to rise, and had quit eating. An 8-year-old gelding from Holmes County presented on August 25th with fever (102.5 F), weakness, and refused to eat or drink; the horse died despite treatment on September 4th. An 8-year-old mare from Tuscawaras County showed onset of muscle fasciculations and hypersensitivity to stimuli on September 5th as well as stiffness in all four legs. The horse responded to established treatment protocol and was estimated to be 85-90% recovered as of September 13th. A 5-year-old gelding from Ashtabula County presented on August 30th with rapidly progressing signs of weakness, stiff neck, very sensitive to neck palpations, inability to move the front limbs and weakness, falling over when bending down to eat. Extensive supportive care was administered and the horse was reported still alive as of September 13th. None of the affected horses had been vaccinated for WNV.

September 20, 2017 West Nile Virus Kittitas County, WA Confirmed Case(s): No Quarantine
Source: Washington State Department of Agriculture (WSDA)

The Washington State Department of Agriculture (WSDA) reports that West Nile virus (WNV) has been confirmed in a horse in Kittitas County. The confirmed case is a fifteen year old quarter horse gelding which is currently undergoing treatment. The Washington State Department of Health (DOH) confirmed the horse did not travel outside of Washington State and was not vaccinated for West Nile virus.

September 20, 2017 West Nile Virus Waukesha and Green Lake Counties, WI Confirmed Case(s): No Quarantine
Source: Wisconsin Department of Agriculture, Trade, and Consumer Protection

The Wisconsin Department of Agriculture, Trade and Consumer Protection confirmed three new cases of West Nile Virus. Two horses both unvaccinated 2-year-old Friesians are from Waukesha County; one is a mare, one is a stallion and both began exhibiting clinical signs on 9/8/17 and were sampled on 9/13/17.  Clinical signs included difficulty backing, hypermetria, paresis, proprioceptive deficits, hyperesthesia, and reluctance to flex neck.  Both are improving and stable with treatment, but one is still neurologic. The third horse is an unvaccinated 3-year-old Standardbred mare from Green Lake County.  The mare seemed off and lethargic starting on about 9/1/17 and appeared to improve. A veterinarian was called when signs worsened and samples were taken on 9/11/17.  The veterinarian reports that the mare is slowly improving after showing neurologic signs (circling, hypermetria, muscle fasciculations, ataxia).  These are confirmed equine WNV cases #17, 18, and 19 for 2017 in Wisconsin