While two separate facilities in Oldham County, Kentucky, remain under quarantine for equine herpesvirus-1 (EHV-1), state animal health officials are stressing that the EHV outbreaks are unrelated as different strains of the virus were detected at the two facilities.

On Jan. 13, E.S. “Rusty” Ford, equine programs manager for the Kentucky Office of the State Veterinarian, provided an update on the cases at both facilities.

Premises 1

This incident began in early January. The last positive case at this facility—caused by the EHV-1 mutated strain containing the ORF30 gene (i.e., neuropathogenic EHV-1)—was confirmed on Jan. 6, Ford said.

“Daily monitoring continues and the reports show no significant findings,” he said. “There have been four horses on Premises 1 identified as positive

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