Rocky Mountain Spotted Fever
Rocky Mountain spotted fever (RMSF) is caused by the bacterium Rickettsia rickettsii.

Humans and pets may contract RMSF. RMSF maybe life threatening. Need to get early appropriate treatment.
Ticks that transmit Rocky Mountain spotted fever include Dermacentor variabilis (American dog), Dermacentor andersoni (wood tick), Rhipicephalus sanguineus (brown dog), and possibly Amblyomma americanum (lone star).
See: A 5-Year-Old Gone Too Soon from Untreated Rocky Mountain Spotted Fever
(from Department of Defense – CDMRP)
Also see: American Dog Ticks, Bears, & RMSF
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