New EHV-1 Variant Outbreak Caught Early
Christa Lesté-Lasserre, MA
February 21, 2022
Routine health monitoring and broader testing helped veterinarians identify an outbreak quickly.
Routine health monitoring and broader testing helped veterinarians identify an outbreak quickly.
Vesicular stomatitis primarily affects horses, cows, and pigs, causing fever, drooling, and blisters on the mouth, lips, nose, coronary bands, and teats.
Natural tick-borne transmission of EP in the United States is rare, but veterinarians have recognized cases in recent years specifically involving iatrogenic transmission in Quarter Horse racehorses.
Equine biosecurity might become easier thanks to new in-field tests using recently developed isothermal technology, which could detect infected horses in less than an hour.
The case marks the state’s first confirmed equine case of anthrax in 2021.
Drought in the West has contributed to a lack of vesicular stomatitis virus in horses and cattle in 2021.
All 41 horses at the affected facility got infected with ECoV, with some shedding virus for up to 98 days.
In addition to the three affected horses, 43 horses were potentially exposed.
With mortality rates topping 90%, AHS has left a devastating wake of destruction across Thailand and Malaysia. Learn about this disease, the recent outbreak, and what it could mean for U.S. horse owners.
Over the past few decades veterinarians and researchers have investigated major EHV-1 outbreaks in the U.S. to learn more about how to contain and prevent future occurrences.
Six exposed horses remain quarantined.
The positive tests follow the euthanasia of three other horses at the facility.
The horse that tested positive has been euthanized.
The affected horse remains under quarantine at a California veterinary hospital.
The California Department of Food and Agriculture states no additional cases were reported among exposed horses.
The horse is recovering.
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