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  1. Jan 11, 2024 · Dashboard Data Files. Last Reviewed: January 11, 2024. Source: Centers for Disease Control and Prevention , National Center for Emerging and Zoonotic Infectious Diseases (NCEZID) , Division of Vector-Borne Diseases (DVBD) Rocky Mountain spotted fever (RMSF) is a bacterial disease spread through the bite on an infected tick.

  2. Jan 1, 2000 · Introduction. 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 estimates from 1981 to 1998 placed ...

    • 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.
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  4. 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. It was a dreaded, often fatal disease, affecting hundreds of people in Idaho.

  5. Jul 17, 2023 · Rocky Mountain spotted fever (RMSF) is an acute febrile tick-borne illness caused by Rickettsia rickettsii. In North America, it is both the most severe and the most common rickettsial infection. Without prompt antibiotic treatment, mortality rates are as high as 20 to 30 percent. This activity reviews the evaluation and management of Rocky ...

    • Jessica Snowden, Kari A. Simonsen
    • 2023/07/17
  6. Sep 15, 2022 · Diagnostic Methods Used to Classify Confirmed and Probable Cases of Spotted Fever Rickettsioses—United States, 2010–2015. MMWR Morb Mortal Wkly Rep. 2019; 68 (10):243–6. doi: 10.15585/mmwr.mm6810a3 [PMC free article] [Google Scholar]

    • 10.1371/journal.pntd.0010738
    • 2022/09
  7. Rocky Mountain spotted fever (or "black measles" because of its characteristic rash) was recognized in the early 1800s, and in the last 10 years of the 1800s (1890–1900) it became very common, especially in the Bitterroot Valley of Montana. The disease was originally noted to be concentrated on the west-side of the Bitterroot river.