A lead pony at Los Alamitos Race Course in California was euthanized due to neurologic herpesvirus.
A horse barn in Chester County has been quarantined for EHV-1.
An additional barn at The Thoroughbred Training Center has been quarantined, and an agreement was made that will allow Training Center horses to race at Turfway Park.
A 4-year-old Thoroughbred filly was euthanized due to complications of equine herpesvirus myeloencephalopathy at Belmont Park.
Wyoming issued a correction on the premise where the fourth positive horse was located.
One barn at The Thoroughbred Center in Kentucky has been quarantined due to equine herpesvirus type 1 (wild type).