Summit County, Ohio, Horse Tests Positive for EIA

One horse tested positive for EIA at a boarding facility in Summit County, Ohio, with 33 other horses on the property under quarantine.

Summit County Ohio map
One horse tested positive for EIA at a boarding facility in Summit County, Ohio, with 33 other horses on the property under quarantine. wikicommons image

On May 12, the Ohio State Department of Agriculture confirmed that a horse at a Summit County, Ohio, boarding facility tested positive for equine infectious anemia (EIA). All 33 other horses at the facility are under an official quarantine while the National Veterinary Services Laboratories performs serial testing.

For more information about equine infectious anemia (EIA) read this Fact Sheet from the EDCC/AAEP.

About EIA

Equine infectious anemia is a viral disease that attacks horses’ immune systems. The virus is transmitted through the exchange of body fluids from an infected to an uninfected animal, often by blood-feeding insects such as horseflies. It can also be transmitted through the use of blood-contaminated instruments or needles.

A Coggins test screens horses’ blood for antibodies that are indicative of the presence of the EIA virus. Most U.S. states require horses to have proof of a negative Coggins test to travel across state lines.

Once an animal is infected with EIA, it is infected for life and can be a reservoir for the spread of disease. Not all horses show signs of disease, but those that do can exhibit:

  • Progressive body condition loss;
  • Muscle weakness;
  • Poor stamina;
  • Fever;
  • Depression; and
  • Anemia.

EIA has no vaccine and no cure. A horse diagnosed with the disease dies, is euthanized, or must be placed under extremely strict quarantine conditions (at least 200 yards away from unaffected equids) for the rest of his life.

The Equine Disease Communication Center released this information on May 12, 2022.

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