South Carolina Confirms 3 EIA Cases

South Carolina Confirms 3 EIA Cases in Berkeley and Barnwell counties. The horses had been in contact with one another.
South Carolina confirmed three EIA Cases. The cases are located in Berkeley and Barnwell counties, identified in red on the state of the map.

Clemson University Livestock Poultry Health confirmed three equine infectious anemia cases in South Carolina, July 30, 2022.

CULPH confirmed that a 4-year-old Quarter Horse gelding in Berkeley County tested positive for EIA. The facility where the horse resides is under official quarantine.

Additionally, CULPH reported that a 6-year-old Quarter Horse gelding and a 10-year-old Quarter Horse Cross gelding also tested positive for EIA. These horses are in Barnwell County. The horses had been in contact with the Berkeley County positive horse. Consequently, the CULPH and U.S. Department of Agriculture veterinarians are involved. They are working to find any other horses that might be connected to prevent further spread. The owner is discussing available options for the horses.

To read the Equine Disease Communication Center alert about this case and others, click here.

EDCC Health Watch is an Equine Network marketing program. It utilizes information from the Equine Disease Communication Center (EDCC) to create and disseminate verified equine disease reports. The EDCC is an independent nonprofit organization. It is supported by industry donations in order to provide open access to infectious disease information.

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. This is often done by blood-feeding insects such as horseflies. It can also be transmitted through the use of blood-contaminated instruments or needles.

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 or is euthanized. Alternatively, it must be placed under extremely strict quarantine conditions for the rest of his life. This includes being at least 200 yards away from unaffected equids.

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