Revised! ENY-209, a 4-page illustrated fact sheet by P. E. Kaufman, P. G. Koehler and J. F. Butler, describes this disease transmitted by the bite of a tick, symptoms, treatment, prevention and control. Includes references. Published by the UF Department of Entomology and Nematology, August 2009.
http://edis.ifas.ufl.edu/MG204