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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.
May 7, 2019 · Rocky Mountain spotted fever (RMSF) is a bacterial disease spread through the bite of an infected tick. Most people who get sick with RMSF will have a fever, headache, and rash. RMSF can be deadly if not treated early with the right antibiotic.
Rocky Mountain spotted fever, form of tick-borne typhus first described in the Rocky Mountain section of the United States, caused by the bacterium Rickettsia rickettsii. Although historically known from the Rocky Mountain region, the disease occurs throughout North America and in Central and South America.
Rocky Mountain spotted fever was first recognized in 1896 in the Snake River Valley of Idaho and was originally called black measles. For a great part of American history, the rash was dreaded as a frequently fatal disease in this endemic region.
Jan 1, 2000 · Abstract. Rocky Mountain spotted fever (RMSF), a potentially fatal tick-borne infection caused by Rickettsia rickettsii, is considered a notifiable condition in the United States. During 2000 to 2007, the annual reported incidence of RMSF increased from 1.7 to 7 cases per million persons from 2000 to 2007, the highest rate ever recorded.
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.
Rocky Mountain spotted fever (RMSF) is caused by Rickettsia rickettsii and transmitted by ixodid ticks. Symptoms are high fever, severe headache, and rash. (See also Overview of Rickettsial and Related Infections.) Rocky Mountain spotted fever is a rickettsial disease. Epidemiology of RMSF
