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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.


Date Disease Location Status
September 02, 2017 Eastern Equine Encephalitis Effingham, Houston, and Lowndes Counties, GA Confirmed Case(s): No Quarantine
Source: Georgia Department of Agriculture

The Georgia Department of Agriculture has confirmed additional EEE cases in the following counties: Effingham (8 year, vaccinated Paint gelding), Houston (11 month, unvaccinated Friesian filly), and Lowndes (4 year, unvaccinated Miniature Horse). An additional suspect case was identified in Bryan County (15 year, vaccinated Miniature Horse).  In 3 of 4 cases, the horses had acute onset neurologic signs such as ataxia, head tremors, seizures, and difficulty rising. One case (Effingham) had an insidious onset with an initial complaint of pneumonia. In all cases, the horses were euthanized due to progression of clinical signs. The 2017 total reported EEE cases in GA to date are 4 confirmed, 1 suspect.

September 01, 2017 West Nile Virus Washoe, Lyon, Humbolt Counties, NV Confirmed Case(s): No Quarantine
Source: Nevada Department of Agriculture

The Nevada Department of Agriculture confirmed West Nile Virus in three horses in Nevada this week.  The first was a 2 year old male horse with unknown vaccination status in Washoe County, second horse was an adult stallion in the Virginia Range Estray herd (unvaccinated) located in Lyon County and the third horse was 22 year old unvaccinated mare in Humboldt County.  

 

September 01, 2017 West Nile Virus Box Elder County, UT Confirmed Case(s): No Quarantine
Source: Utah Department of Agriculture and Food

On August 30th, the Utah Department of Agriculture and Food received confirmation of WNV in an unvaccinated 5-year-old Quarter Horse mare in Box Elder County. On presentation the horse was ataxic, unable to eat or drink and was euthanized shortly after failing to respond to treatment an interactive map of WNV cases in Utah is available at ag.utah.gov/animal.html

September 01, 2017 Equine Infectious Anemia Finney and Kearny Counties, KS Confirmed case(s): Quarantine
Source: Kansas Department of Agriculture Division of Animal Health

On August 29th The Kansas Department of Agriculture Division of Animal Health (KDA–DAH) confirmed two horses were  positive for Equine Infectious Anemia (EIA). One horse is located in Finney County, and the other is located in Kearny County; both premises are under quarantine, and all other horses on site are being tested. For more information go to: http://agriculture.ks.gov/AllNewsItems/2017/08/30/additional-horses-test-positive-for-equine-infectious-anemia

 

September 01, 2017 West Nile Virus Wexford County, MI Confirmed Case(s): No Quarantine
Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development has confirmed West Nile Virus in an additional horse in Wexford County. The 8 year old Standardbred gelding is alive and it’s vaccination status is unknown. This brings the total number of Michigan horses reported as having WNV in 2017 to nine, one each in Clinton, Livingston, Jackson, Mecosta, Midland, Missaukee, and Ottawa counties and two horses in Wexford county. No quarantines were issued.

August 31, 2017 West Nile Virus Simcoe, Niagara, Frontenac Counties and Algoma District, ON Confirmed Case(s): No Quarantine
Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Between August 28 and 30th, 2017 the Ontario Ministry of Agriculture, Food and Rural Affairs confirmed four horses positive for West Nile Virus (WNV) in Ontario in the Algoma District and Simcoe, Niagara and Frontenac Counties.  Three horses exhibited severe neurological signs and were euthanized. One had mild neurological signs and is recovering with veterinary treatment. Two of the severe cases were unvaccinated horses and the remaining horses had not received a WNV vaccination this year. To date in 2017, there have been six confirmed cases of WNV in horses from Ontario. In 2016, there were two confirmed cases in Ontario. For more information on WNV go to: http://www.omafra.gov.on.ca/english/food/inspection/ahw/westnilevirus.htm

August 31, 2017 West Nile Virus Ottawa County, MI Confirmed Case(s): No Quarantine
Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development confirmed an additional Michigan horse testing positive for West Nile Virus (WNV). The horse is an unvaccinated, three-year-old Paso Fino gelding from Ottawa County. The horse developed a sudden onset of ataxia and had difficulty standing. The horse is currently alive and recovering under treatment. This brings the total number of Michigan horses reported as having WNV in 2017 to eight, one each from the following counties: Clinton, Livingston, Jackson, Mecosta, Midland, Missaukee, Ottawa and Wexford. No quarantines were issued.  For more info go to:

http://www.michigan.gov/mdard/

August 30, 2017 West Nile Virus Duchesne County, UT Confirmed Case(s): No Quarantine
Source: Utah Department of Agriculture and Food

On August 30th the Utah Department of Agriculture and Food confirmed West Nile Virus in a 3-year old Quarter Horse mare in Duchesne County. The horse was recumbent at presentation on August 25th, did not respond to treatment and was euthanized. This was the fifth WNV case in Utah during 2017.    

August 30, 2017 Strangles Lake County, FL Confirmed case(s): Quarantine
Source: Florida Department of Agriculture and Consumer Services

On August 16th 2017, one premise in Lake County, Florida was placed under quarantine for clinical signs of Strangles. The index case became clinical around August 8th, 2017. Two of the 25 horses on the property were clinical at the time of quarantine. This is the third case for Lake County and the 27th for Florida in 2017.

August 30, 2017 Eastern Equine Encephalitis Okaloosa County, FL Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Services

The Florida Department of Agriculture and Consumer Services has reported that on August 21st 2017 one horse in Okaloosa County, Florida was confirmed with EEE.  The vaccination history is unknown and the horse became neurologic and died on August 7th. This the second case for Florida in 2017.