The Utah Department of Agriculture and Food announced May 15 that all fourteen horses and the facilities that were placed under quarantine following a confirmed case of vesicular stomatitis (VS) was found in a mule at an event in southern Utah on May 1 have been released.

“There are no further cases under investigation,” said Warren Hess, DVM, acting Utah state veterinarian.

Hess said that nine of the animals never showed signs of disease, and five of them were released from quarantine on May 11. The remaining four horses that were not infected, as well as the five horses that were infected, were inspected and released from quarantine on May 14, officially ending the VS quarantine in that state.

Though the quarantine is lifted, some states and countries will still have livestock import restrictions in place for any livestock travelling from Utah for a period of time. The Utah Department of Agriculture and Food urges livestock owners looking to move livestock out of Utah in the near future to check with the destination jurisdiction for any possible restrictions.

Although the quarantine has been lifted it is essential that veterinarians and livestock owners be on the alert for animals displaying clinical signs characteristic of the disease such as lesions in the mouth and on tongue, lips, nostrils, hooves, and teats. These blisters leave raw tissue that is so painful that infected animals generally refuse to eat or drink and may show signs of lameness. Weight loss sometimes follows.

While vesicular stomatitis can ca