California Confirms EHV in San Diego County
Edited Press Release
March 31, 2022
One more horse is suspected positive and 102 were exposed.
One more horse is suspected positive and 102 were exposed.
One horse has been euthanized. Two other horses presented with fevers and have been tested.
Researchers measured the energy output of riders at a basic walk, jog, and lope; performing a reining pattern; and cutting.
A total of four cases of EHM and 36 fever-only cases were confirmed at this premises during the outbreak.
The horses tested positive while under quarantine at their 60-day recheck.
Parx Racetrack in Bucks County remains free of horses with clinical signs since a horse tested positive in early March.
The horse was euthanized; 25 more were exposed.
The affected horse tested positive for both equine herpesvirus-4 and strangles.
No known epidemiological link exists to other current EHV cases.
The cases are at a quarantined facility that had no known epidemiological link to EHV cases confirmed at a Riverside County event premises in February.
No additional cases have been confirmed since March 11.
Researchers have observed pandemic-related trends in the equine industry over the past two years.
The index horse and 39 others are quarantined at a DeKalb County facility.
California released an EHV outbreak update on March 18, 2022.
One horse was euthanized, and two of 44 more that were exposed tested positive.
Orange County’s third affected premises shows the only change in number of cases since March 15.
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