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Seven EHV-1 cases confirmed, secondary premises also hit

September 16, 2011

Seven of eight horses displaying clinical signs of the neuropathogenic strain of equine herpesvirus-1 (EHV-1) at a California property have tested positive for the disease.

They remain under quarantine at the Tuolomne County property.

The California Department of Food and Agriculture said five of the confirmed cases have displayed neurologic signs and two of the cases have suffered only a fever.

One of the severely affected neurologic confirmed cases has been euthanised.

The initial horse to come down with the virus, confirmed positive on September 12, is recovering on the premises. All confirmed cases are in isolation and all exposed horses on the quarantined premises continue to be monitored.

Two further cases have been reported at a secondary exposed property in San Joaquin County.

Two horses displaying clinical signs of the disease were confirmed positive for the neuropathogenic strain.

These two horses were exposed to the virus on September 4-10, while visiting the Tuolumne county premises.

Both horses have been isolated and the property has been quarantined.



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