Cross section of the equine infectious anemia virus.

Source:The USDA's Animal and Plant Health Inspection Service Veterinary Services [1] archive copy at the Wayback Machine, which has a reprint of the brochure entitled "EIA--A Status Report on Its Control (1996)", created by Dr. Tim Cordes, a senior staff veterinarian with the National Animal Health Staff, Veterinary Services, Animal and Plant Health Inspection Service, U.S. Department of Agriculture, Riverdale, MD.

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