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  1. Jan 11, 2024 · Rocky Mountain spotted fever (RMSF) is a bacterial disease spread through the bite on an infected tick. Includes information and data on the risk, number of cases, and geographic distribution of reported cases of spotted fever rickettsiosis including Rocky Mountain spotted fever.

  2. Jul 8, 2014 · Rocky Mountain spotted fever is a tickborne disease first recognized in 1896 in the Snake River Valley of Idaho. It was originally called “black measles” because of the look of its rash in the late stages of the illness, when the skin turns black.

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  4. Fewer than 5,000 cases are reported a year in the United States, most often in June and July. It has been diagnosed throughout the contiguous United States, Western Canada, and parts of Central and South America. Rocky Mountain spotted fever was first identified in the 1800s in the Rocky Mountains.

    • 2 to 14 days after infection
  5. Jan 1, 2000 · Rocky Mountain spotted fever (RMSF) is a tick-borne disease caused by the intracellular bacterium Rickettsia rickettsii. 1, 2 Rocky Mountain spotted fever has long been considered one of the most severe tick-borne rickettsial infections, with pre-antibiotic case-fatality rates reported as high as 65–80% in some case series 1 – 4 ;contemporary es...

    • John J. Openshaw, David L. Swerdlow, John W. Krebs, Robert C. Holman, Eric Mandel, Alexis Harvey, Da...
    • 10.4269/ajtmh.2010.09-0752
    • 2010
    • Am J Trop Med Hyg. 2010 Jul; 83(1): 174-182.
  6. Rocky Mountain spotted fever (RMSF) has been a nationally notifiable condition since the 1920s. As of January 1, 2010, cases of RMSF are reported under a new category called Spotted Fever Rickettsiosis (SFR). This category captures cases of RMSF, R. parkeri rickettsiosis, Pacific Coast tick

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  7. Oct 26, 2018 · Rocky Mountain spotted fever (RMSF) is a tickborne disease caused by the intracellular bacterium Rickettsia rickettsii. Transmission. Tick Bites. Figure 1: Estimated geographic distribution of American dog ticks (above) and Rocky Mountain wood ticks (below) Primarily, through tick bites.

  8. VIEW PROFESSIONAL VERSION. Symptoms |. Diagnosis |. Treatment |. Prevention. Rocky Mountain spotted fever is a potentially fatal rickettsial infection that is transmitted by dog ticks and wood ticks. It causes a rash, headache, and high fever. People become infected when a tick carrying the infection bites them.

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