Three additional Texas horses were diagnosed with vesicular stomatitis this week, according to a statement from the Texas Animal Health Commission (TAHC).

On May 28, the TAHC announced that VS had been confirmed in five Kinney County horses. The commission announced June 11 that three additional horses, all located in Hidalgo County, have tested positive for the disease. On June 5, two horses residing approximately 24 miles northwest of Edinburg were confirmed positive for VS, and a third horse residing three miles northwest of Edinburg was confirmed positive on June 9.

On June 17, the disease was confirmed in three additional horses in San Patricio County in south Texas. Two affected horses are located approximately seven-and-a-half miles southeast of Mathis, while the other horse is located about seven miles southeast of Mathis.

The newly identified infected premises are currently under TAHC quarantine. Affected horses will be monitored by regulatory veterinarians while under quarantine. Premises are eligible for quarantine release 21 days after all lesions have healed. There is no known exposure to other horses around the state, or at any equine events.

The viral disease can cause blisters and sores in the mouth and on the tongue, muzzle, teats, or hooves of horses, cattle, swine, sheep, goats, llamas, and a number of other animals. Lesions usually will heal in two or three weeks. Because of the contagious nature of VS and its resemblance to other diseases such as foot and mouth disease, animal health officials urge livestock owners and caretakers to report clinical signs to their veterinarian immediately. Most animals recover well with suppo