Connecticut Confirms First Equine EEE Case of 2013

A 2-year-old Miniature Horse from Griswold was euthanized before testing positive for the disease.

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Connecticut Agriculture Commissioner Steven K. Reviczky announced Sept. 17 that the state had confirmed its first case of Eastern equine encephalitis (EEE) infection in a horse for 2013.

“I am sad to report that a 2-year-old Miniature Horse from Griswold tested positive for the disease,” said Reviczky. “This case underscores the importance of vaccinating horses to protect them from mosquito-transmitted diseases.”

According to agency officials, the horse’s owner noticed the animal was sick on Sept. 8; the horse appeared dull and had a poor appetite. Despite treatment, the Miniature Horse developed a fever, became progressively more depressed and uncoordinated, and continued to deteriorate. The attending veterinarian euthanized the animal.

Diagnostic samples were collected at the Connecticut Veterinary Medical Diagnostic Laboratory at the University of Connecticut and were submitted to the United States Department of Agriculture National Veterinary Services Laboratories, where they tested positive for EEE

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