Outbreaks | Equine Disease Communication Center

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.

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Equine Infectious Anemia

Maricopa County, AZ

Outbreak Identifier: 5030

Alert ID: 2373

December 24, 2021

Information Only

Source: Arizona Department of Agriculture

Number Confirmed: 4;
Notes: The Arizona Department of Agriculture recently received confirmation from the National Veterinary Services Laboratory that 4 horses from a single premises in Maricopa county were POSITIVE for Equine Infectious Anemia (EIA) virus. Initial response to this disease detection has concluded. Further investigation is ongoing including the historical movements of those horses and targeted disease surveillance efforts are being conducted in the area.; For more information go to: EIA factsheet.

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