Rocky Mountain Spotted Fever (RMSF, Rickettsia)
Rocky Mountain Spotted Fever affects about 800 people in the United States each year. The disease usually occurs in the eastern US from New York to Florida, and from Alabama to Texas in the south. It is most commonly seen from April through September but can occur anytime during the year when there is warm weather.
Health care providers and clinical laboratories are required to report cases and suspect cases
of Rocky Mountain spotted fever to local health departments within one working day
See our disease reporting page
for information on how to report and for telephone numbers of local health departments. For county health departments
CDC Rickettsial Tick-borne Diseases (pdf)
case report form
For reportable diseases lacking Oregon-specific investigative guidelines or case report forms, please contact the epidemiologist on call for assistance.
The CDC fact sheet
answers some common questions about Rocky Mountain Spotted Fever.