Equine Herpesvirus (EHV)

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Neurologic Herpesvirus Confirmed in Maryland Outbreak

The neurologic form of equine herpesvirus type-1 (EHV-1) has been confirmed as the cause of disease in two Maryland horses infected during a deadly disease outbreak this spring. Twelve horses exhibited signs of neurologic

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Tests Inconclusive in Maryland Disease Outbreak

Investigators have been unable to make a conclusive diagnosis in the outbreak of equine neurologic disease on a single quarantined farm in Poolesville, Md. There is strong suspicion that equine herpesvirus type-1 (EHV-1) is to blame, but further

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Equine Herpes Outbreak in Australia

A mare (or mares) imported from North America to Victoria, Australia, is believed to be at the center of the latest outbreak of equine herpes virus (EHV-1), or equine rhinopneumonitis virus, in Australia. 


As the Australian

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Australian Shuttlers Released From Quarantine

In the wake of a positive West Nile Virus (WNV) test on a Canadian Standardbred horse, almost 50 Thoroughbred shuttle stallions were released from Australia’s major quarantine station outside Sydney on the morning of Aug. 30.


The decisio

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Equine Herpesvirus Myeloencephalopathy in Virginia

Four cases of mysterious illness in Northern Virginia horses have been attributed to equine herpesvirus (EHV) myeloencephalopathy, a rare neurologic version of EHV type 1, which is typically recognized in its respiratory form as rhinopneumonitis

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Wyoming Herpesvirus Outbreak

An equine herpesvirus type 1 (EHV-1) outbreak has affected nearly 50 horses and caused the deaths of seven horses in Wyoming. The outbreak occurred at Paradise Ranch in Johnson County near Buffalo.

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