Cases of vesicular stomatitis have been confirmed in both San Luis Obispo and Santa Barbara counties. The virus affects horses, cattle, swine, and sometimes sheep and goats. It appears as blister-like lesions in the animal’s mouth, tongue, lips, dental pad, nostrils, and hooves. Transmission can occur when an infected animal comes into direct contact with another animal, but can also be spread through mosquitoes and black flies. California Mid State Fair officials have been inspecting live stock entering the fairgrounds to hel prevent the spread of the disease.
