The Iowa State Department of Agriculture and Land Stewardship notified the Equine Disease Communication Center on May 2 that 10 horses have been euthanized after testing positive for equine infectious anemia (EIA) in Polk County, Iowa, on April 8. Thirty other horses have been exposed.

The positive horses that were euthanized were:

9-year-old Quarter Horse gelding; three 8-year-old Quarter Horse geldings; one 8-year-old Quarter Horse mare; two 6-year-old Quarter horse geldings; one 4-year-old Quarter Horse gelding; one 4-year-old Quarter Horse mare; and a 3-year-old Quarter Horse gelding.