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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.


September 18, 2018
West Nile Virus
Bremer County, IA
Confirmed Case(s): No Quarantine
Source: Iowa State Veterinarian

The Iowa State Veterinarian has confirmed a case of equine West Nile virus. An unvaccinated 14-year-old Quarter Horse gelding at private facility in Bremer County started showing clinical signs on September 11th, 2018 including ataxia, depression, and a low grade fever. The horse was treated symptomatically and is recovering. Testing done at Iowa State University Veterinary Diagnostic Laboratory confirmed WNV.

September 18, 2018
West Nile Virus
Ellis County, OK
Confirmed Case(s): No Quarantine
Source: Oklahoma Department of Agriculture, Food, and Forestry

The Oklahoma Department of Agriculture, Food, and Forestry has reported the first positive equine West Nile Virus case in 2018.The 7 year old POA gelding located in Ellis County was showing moderate neurologic signs.  The horse was currently vaccinated for WNV.  A quarantine was not issued.  For more information visit:http://www.ag.ok.gov

September 17, 2018
West Nile Virus
Amador County, CA
Suspected Case(s): No Quarantine
Source: California Department of Food and Agriculture

On September 17, 2018, the California Department of Food and Agriculture confirmed its 8th equine WNV case for 2018. An unvaccinated 17 year old Quarter Horse gelding in Amador County, displaying neurologic signs was confirmed positive for West Nile Virus. The gelding is alive and recovering. For more information visit https://www.cdfa.ca.gov/ahfss/animal_health/WNV_Info.html

September 17, 2018
Equine Infectious Anemia
Laramie, Albany, Sweetwater, Lincoln, Teton, Park, Fremont, and Natrona Counties, WY
Information Only
Source: Wyoming Livestock Board

The Wyoming Livestock Board has quarantined an additional 5 premises (for a total of 12 premises), which include 58 horses as a result exposure to a horse originating in Colorado that was positive to Equine Infectious Anemia. The quarantined horses are located in Laramie, Albany, Sweetwater, Lincoln, Teton, Park, Fremont, and Natrona Counties. There are NO cases of EIA in Wyoming at this time. Regardless of good intentions and reported misleading advice by the seller, the majority these horses exposed at the Colorado facility were imported illegally to Wyoming. It is important that all horse and other livestock owners are aware that the Wyoming Livestock Board (and all other states) have import requirements for animals entering the state. There are also federal requirement for animals traveling interstate. For horses entering Wyoming, a negative Coggins test within 12 months and a health certificate with the origin and destination noted issued by an accredited veterinarian within thirty days is required. To find out what health requirements must be met when shipping livestock interstate: ALL state requirements are provided at www.interstatelivestock.com. For brand requirements, the state Brand agency should be contacted directly. In Wyoming brand inspections are required at change of ownership and to move all horses, sheep and cattle from county to county and when leaving the state. More information can be obtained by calling 307-777-7515. Additional information about Equine Infectious Anemia is available at the EDCC website (http://www.equinediseasecc.org ) by clicking on “Disease Information” in the menu bar.

September 17, 2018
West Nile Virus
Larimer, Adams, and El Paso Counties, CO
Confirmed Case(s): No Quarantine
Source: Colorado State Veterinarian’s Office

The Colorado State Veterinarian’s Office has confirmed three cases of equine West Nile virus. One case in Larimer County had an onset of clinical signs on August 15th, 2018. A case in Adams county showed an onset of clinical signs on August 31st. A case in El Paso county showed an onset of clinical signs on September 13th.

September 17, 2018
West Nile Virus
York County, ME
Confirmed Case(s): No Quarantine
Source: Maine Department of Agriculture, Conservation and Forestry

The  Maine Department of Agriculture, Conservation and Forestry confirmed West Nile Virus in York County. An 11-year old horse had acute neurological signs on September 4th, 2018. WNV was diagnosed using an ELIZA test at the Cornell Univerity Animal Health Diagnostic Center. The unvaccinated horse is alive and receiving treatment. For more information go to: https://content.govdelivery.com/accounts/MEDACF/bulletins/20d5376

 

September 16, 2018
Eastern Equine Encephalitis
Ocean County, NJ
Confirmed Case(s): No Quarantine
Source: New Jersey Department of Agriculture

The New Jersey Department of Agriculture confirmed Easten Equine Encephalitis (EEE) in Ocean County. The unvaccinated horse was euthanized on September 4th, 2018. This is the fourth case of EEE in New Jersey in 2018.

September 16, 2018
West Nile Virus
Burlington County, NJ
Confirmed Case(s): No Quarantine
Source: New Jersey Department of Agriculture

The New Jersey Department of Agriculture confirmed West Nile Virus in a 10-year old mare in  Burlington County. The unvaccinated mare is undergoing treatment and is the first reported case of WNV in New Jersey in 2018.  

September 14, 2018
Eastern Equine Encephalitis
Regional Municipality of Niagara, ON
Confirmed Case(s): No Quarantine
Source: on

The Ontario Ministry of Agriculture, Food and Rural Affairs confirmed two cases of EEE from the Regional Municipality of Niagara on September 12th, 2018. Both horses were unvaccinated and had no travel history. One horse is recovering from depression and ataxia with supportive treatment. The other horse was euthanized following the development of sudden and severe neurological signs. The total number of EEE cases for 2018 is ten. http://www.omafra.gov.on.ca/english/livestock/horses/facts/nhd_surv2018.htm

September 14, 2018
West Nile Virus
Essex County, ON
Confirmed Case(s): No Quarantine
Source: Ontario Ministry of Agriculture, Food and Rural Affairs

The Ontario Ministry of Agriculture, Food and Rural Affairs received confirmation on September 12, 2018 that a 2 year old unvaccinated filly from Essex County tested positive for West Nile virus. She became depressed, unsteady on her feet and had a temperature of 102 F. She is gradually responding to treatment. This is the second confirmed case of WNV infection in 2018. http://www.omafra.gov.on.ca/english/livestock/horses/facts/nhd_surv2018.htm