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The Discovery And Pursuit Of American Boutonneuse Fever: A New Spotted Fever Group Rickettsiosis', J. Goddard, A. Varela-Stokes

Midsouth Entomologist

There is a new tick-borne disease similar to Rocky Mountain spotted fever (RMSF) that was recently described from the southern United States. Cases of the disease are a subset of reported RMSF cases and therefore constitute a “disease within a disease.” The causative agent of this RMSF-like disease, however, is Rickettsia parkeri as opposed to R. rickettsii, the pathogen causing RMSF. Both organisms are in the spotted fever group (SFG) of rickettsiae, cross-react in laboratory tests used to diagnose RMSF, and therefore are difficult to differentiate serologically. The new malady has been tentatively named “American Boutonneuse Fever” (ABF) based on …