On Thursday August 2, 2018, the Maryland Department of Agriculture received confirmation of a case of Potomac horse fever (PHF) from the University of Kentucky’s Equine Diagnostic Laboratory.
The PHF was confirmed in a pony gelding stabled in Frederick County. The pony began showing clinical signs on July 26, 2018, and did not respond to treatment. The pony died on July 30, and a necropsy was performed at the Frederick Animal Health Laboratory on July 31.
