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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
July 25, 2017 Eastern Equine Encephalitis Franklin County, FL Confirmed Case(s): No Quarantine
Source: Florida Department of Agriculture and Consumer Services

On July 22, one horse in Franklin County, Florida was confirmed with EEE.  The unvaccinated yearling became neurologic July 17th and was euthanized due for humane reasons. This the first case for Florida in 2017.

July 22, 2017 Eastern Equine Encephalitis Dillon County, SC Confirmed Case(s): No Quarantine
Source: Office of the South Carolina State Veterinarian

The South Carolina State Veterinarian’s office received laboratory confirmation of the first new equine case of EEE on 7/21/17. The case was a 4-year-old QH in Dillon County.  It had no known vaccination history and was euthanized. For more info go to:  https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_EEE1.pdf

July 22, 2017 West Nile Virus Clark County, WI Confirmed Case(s): No Quarantine
Source: Wisconsin Bureau of Animal Disease Control

The Wisconsin Bureau of Animal Disease Control received laboratory confirmation of its first equine West Nile Virus case for 2017.  A non-vaccinated Standardbred cross yearling gelding from Clark County was recumbent and was euthanized.  For more information go to: https://aaep.org/sites/default/files/Documents/Outside%20Linked%20Documents/DiseaseFactsheet_WNV.pdf

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

On July 19, a 4-year old TWH gelding with an unknown vaccine history was confirmed positive for Eastern Equine Encephalitis (EEE) in Brooks County, GA. For 2017, this is the first equine with confirmed positive EEE in Georgia.

July 21, 2017 West Nile Virus Worth County, GA Confirmed Case(s): No Quarantine
Source: Georgia Department of Agriculture

On July 11, an unvaccinated 7-year old Paint in Worth County, GA was confirmed positive for West Nile Virus (WNV). For 2017, this is the first equine with confirmed positive WNV in Georgia.

July 21, 2017 Strangles Fayette County, GA Confirmed case(s): Quarantine
Source: Georgia Department of Agriculture

On July 10, one premise in Fayette County, GA was placed under quarantine for clinical signs and subsequent positive PCR confirmation of strangles.  The index case developed clinical signs on July 6.

July 21, 2017 Strangles Bartow County, GA Suspected Case(s): Quarantine
Source: Georgia Department of Agriculture

On July 12, one premise in Bartow County, GA was placed under quarantine for clinical signs of strangles. The index case developed clinical signs on July 8.

July 20, 2017 West Nile Virus Fresno County, CA Confirmed Case(s): No Quarantine
Source: California Department of Food and Agriculture

On July 19, 2017, an unvaccinated  2-year old Thoroughbred filly in Fresno County, California, displaying severe neurologic signs was confirmed positive for West Nile Virus (WNV). The filly died.  For 2017, a total of two (2) horses have been confirmed positive for WNV in California. The positive horses were located in Fresno and Kern Counties.

July 19, 2017 West Nile Virus Campbell County, WY Confirmed Case(s): No Quarantine
Source: Wyoming Livestock Board

A horse in Campbell County, Wyoming has been confirmed positive for West Nile Virus. The horse is undergoing treatment at a local medical center and is expected to make a full recovery. This is the first case of WNV in a horse reported by the state of Wyoming in 2017.

July 18, 2017 Equine Infectious Anemia Armstrong Municipality, MB Investigation Initiated
Source: Canadian Food Inspection Agency

On July 13, 2017 positive EIA results were confirmed by the CFIA’s national reference laboratory for six horses that had been sampled by an accredited veterinarian on a MB premises in the rural municipality of Armstrong. The infected animals had been sampled to comply with an event pre-entry requirement and clinical signs were not reported. A CFIA investigation has been initiated at the premises to identify and test susceptible contacts and determine potential links to other EIA-affected premises in MB. As per the current policy, the infected animals will be euthanized.