Veterinarians have confirmed an additional case of equine herpesvirus-1 (EHV-1) in connection with the Horse Shows in the Sun (HITS) circuit in Ocala, Fla., and one previously confirmed case has developed neurologic signs associated with the disease, according to a March 1 statement from the Florida Department of Agriculture and Consumer Services (FDACS) Division of Animal Industry. There are now seven confirmed cases in connection with the HITS show, including the index (initial) case.

According to the FDACS statement, one EHV-1 positive horse is located at Redfield Farm in Ocala, one is located at Calder Farms in Ocala (the newly reported case), and four are from Miles Away Farm in Loxahatchee, Fla.

"One horse at Miles Away Farm developed neurological signs today and is being treated at the University of Florida (UF) College of Veterinary Medicine," the statement read.

On Feb. 21, a horse that was stabled at the HITS facility was diagnosed with the neurologic form of EHV-1. At last update on Feb. 25, that horse was undergoing treatment and in stable condition at the UF College of Veterinary Medicine’s Large Animal Hospital