| vesicular stomatitis outbreak in the southwestern united states, 2012. | vesicular stomatitis is a viral disease primarily affecting horses and cattle when it occurs in the united states. outbreaks in the southwestern united states occur sporadically, with initial cases typically occurring in texas, new mexico, or arizona and subsequent cases occurring in a northward progression. the viruses causing vesicular stomatitis can be transmitted by direct contact of lesioned animals with other susceptible animals, but transmission is primarily through arthropod vectors. in ... | 2013 | 23883666 |