A disease seen in cattle, horses, pigs, sheep, llamas, bats, rodents and other wild mammals in North and South America. Clustered outbreaks occur in summer and fall.
Transmission is by vector, direct and mediate contact transmission .
Lesions include vesicles or healing ulcers on oral mucosa, teats and prepuce. Vesicular stomatitis may also cause a mild fever and affected animals often salivate profusely, and are unwilling to eat or drink. Some animals, particularly swine, may become lame and dairy cows show a marked decrease in milk production. Vesicular stomatitis can be transmitted to humans by direct contact, mosquitoes and biting flies. Human infection presents as mild flu-like symptoms.