California EHV: Additional Case Confirmed

A horse that was previously quarantined for a fever and initially tested negative for EHV-1 has been confirmed positive.
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The California Department of Food and Agricultre (CDFA) reported Nov. 8 that an additional case of equine herpesvirus-1 (EHV-1) has been confirmed at the Los Angeles Equestrian Center (LAEC).

On Nov. 3, the CDFA reported that two Saddlebred horses in Los Angeles County had tested positive for non-neuropathogenic EHV-1, one of which was euthanized. The next day, the CDFA issued an update indicating that three more horses at the index facility had tested positive, and the agency reported Nov. 7 that a sixth horse had tested positive.

In the Nov. 8 update, the CDFA said, “A horse that had been placed in the quarantined isolation area of the facility on Nov. 3 due to an elevated temperature, and initially tested negative on both nasal swab and blood for EHV-1, has subsequently tested positive on both nasal swab and blood for non-neuropathic EHV-1. Since this horse was originally moved to isolation from a barn on the facility that had not previously been identified with a confirmed EHV-1 case, the horse population under quarantine at LAEC was expanded to a total of three barns under quarantine.

“All horses under quarantine are required to have their temperatures taken two times daily and any elevated temperatures must be reported to incident management. In addition, all horses in these barns are under enhanced and strict biosecurity protocols

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Written by:

Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.

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