The Equine Disease Communication Center (EDCC) has reported that an additional horse returned a positive test for equine herpesvirus-1 (EHV-1) at the Fair Grounds Race Course, in New Orleans, Louisiana.

The EDCC said that on Jan. 3, a horse in Barn 47 spiked a fever and tested PCR negative for EHV-1 on blood sample, but positive for nonneuropathogenic EHV-1 on nasal samples.

“The horse had recently undergone a throat surgery and had a history of EIPH (exercise-induced pulmonary hemorrhage) but no neurological signs were present,” the EDCC said. “The horse has been placed in isolation and Barn 47 has been placed under official quarantine with twice-daily monitoring of temperatures and enhanced biosecurity.

“To date there are four barns under quarantine and four horses in isolation quarantine,” the EDCC said

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