Vesicular Stomatitis Detected in Utah

On June 17, the National Veterinary Services Laboratories (NVSL) in Ames, Iowa, confirmed the finding of vesicular stomatitis (VS) in a horse on a premises in Garfield County, Utah. This is the first confirmed case of vesicular stomatitis in the State of Utah in 2005.

Utah had no cases of vesicular stomatitis in 2004.

The owner took the two affected horses on a pleasure ride on May 22 in the southeastern part of the state along the Escalante river. The owner noticed an abundance of biting flies and insects on that ride and first noticed the animals were sick on May 31.

A subsequent case of vesicular stomatitis also was diagnosed by NVSL on June 17 in a horse on a premises in Davis County, Utah. Vesicular stomatitis has not been seen in this part of the State in past outbreaks.

The USDA's latest reports indicate 17 premises are under VS quarantine in Arizona, and one each are under quarantine in New Mexico and Texas.

Prior to moving livestock to other states, ensure you have met all entry requirements. Contact information for state veterinarians' offices and updated reports are available on the TAHC web site at

As always, if animals on your premises exhibit blistering, sores or excessive drooling, contact your private veterinarian or state veterinarian's office. In Texas, the 24-hour number for the Texas Animal Health Commission is 800/550-8242.

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