The University of Minnesota Equine Center has announced via Facebook that additional equine herpesvirus-1 (EHV-1) cases have been confirmed in eastern Minnesota and western Wisconsin.

"Since March 7 there have been a total of at least eight horses with acute neurological disease in the eastern Minnesota and western Wisconsin area," the March 27 post read. "Of these, six horses have tested positive for the EHV-1 virus. Three horses have been humanely euthanized, while the other horses are being treated on the farm."

Thus far, EHV-1 has been confirmed in:

  • Two horses on a single Chisago County, Minn., farm, one of which was euthanized and one of which recovered, according to a March 26 statement from the Minnesota Board of Animal Health (MBAH);

  • One horse in Dakota County, Minn.; this horse was euthanized, according to the MBAH;

  • One horse in Hennepin County, Minn.; the MBAH indicated this horse is recovering;

  • One horse in Polk County, Wisc.; the MBAH indicated this horse is recovering; and

  • Most recently on March 26, one horse in Wright County, Minn.

Tests are pending on additional horses, the equine center said

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