Er. Campagnolo et al., OUTBREAK OF VESICULAR DERMATITIS AMONG HORSES AT A MIDWESTERN HOUSE SHOW, Journal of the American Veterinary Medical Association, 207(2), 1995, pp. 211-213
People exposed to plants of the genus Quassia can develop vesicular er
uptions, and the same may be true of horses. Epidemiologic methods can
be useful when attempting to determine the cause of an outbreak of di
sease in a large group of animals.