California EHV-1: One New Case Confirmed
Erica Larson
January 26, 2012
The new Orange County case brings the California total to 16 positive horses.
The new Orange County case brings the California total to 16 positive horses.
The CDFA does not believe the two situations are related and is investigating both outbreaks.
Necropsy results indicate that it is highly unlikely one horse’s recumbency was due to the EHV-1 infection.
One horse was euthanized after testing positive for the neurologic form of the virus in early January.
Two more cases of equine herpesvirus-1 (EHV-1) have been confirmed today, with the two horses displaying
The multistate outbreak in 2011 illustrated the need for infectious disease control in the equine community.
An additional horse was confirmed EHV-1-positive and another was euthanized in connection with the outbreak.
The goal is to identify factors associated with the outbreak in order to prevent and control outbreaks.
Only one of the eight horses has displayed neurologic signs consistent with EHV-1 thus far.
Past studies showed that vaccines were only sometimes effective in preventing development of viremia.
All affected horses are quarantined on their home property and are receiving veterinary care.
It’s never too late to implement biosecurity protocol to help protect horses from potentially fatal diseases.
The horses are currently quarantined on their home premises and are receiving veterinary treatment.
The admission and discharge restrictions were put in place after an EHV-1-positive mare was hospitalized.
The mare was taken to the College of Veterinary Medicine at North Carolina State University upon becoming ill.
Featured topics included equine protozoal myeloencephalitis, wobbler syndrome, and neurologic herpesvirus.
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