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Rocky Mountain spotted fever is the most severe and most frequently reported rickettsial illness in the United States, and has been diagnosed throughout the Americas. Some synonyms for Rocky Mountain spotted fever in other countries include tick typhus , Tobia fever (Colombia), Sao Paulo fever or febre maculosa (Brazil), and fiebre manchada (Mexico). The disease is caused by Rickettsia rickettsii , a species of bacteria that is spread to humans by hard ticks (Ixodidae). Initial signs and symptoms of the disease include sudden onset of fever, headache, and muscle pain, followed by development of rash. The disease can be difficult to diagnose in the early stages, and without prompt and appropriate treatment it can be fatal. Rocky Mountain spotted fever was first described in 1896 in the Snake River Valley of Idaho and was originally called black measles because of the characteristic rash. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See for details. Source: Wikipedia, Rickettsia rickettsii (Wikipedia)

A species of gram-negative, intracellular, aerobic bacteria that causes rocky mountain spotted fever. The disease occurs mainly from April through October when ticks are active. Source: National Library of Medicine, MeSH 2006

Basic Part Properties

Part Display Name
Rickettsia rickettsii
Part Type
Component (Describes the core component or analyte measured)
Created On
Construct for LOINC Short Name
R rickettsi

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Language Variants Get Info

Tag Language Translation
zh-CN Chinese (China) 立氏立克次体
Synonyms: 斑点热;斑疹伤寒;斑疹热;洛基山斑疹热;洛矶山斑疹热;立克次氏立克次体;立克次氏立克次氏体;立氏立克次氏体
fr-CA French (Canada) Rickettsia rickettsii
et-EE Estonian (Estonia) Rickettsia rickettsii
es-ES Spanish (Spain) Rickettsia rickettsii
it-IT Italian (Italy) Rickettsia rickettsii
tr-TR Turkish (Turkey) Rickettsia rickettsii
ru-RU Russian (Russian Federation) Rickettsia rickettsii
nl-NL Dutch (Netherlands) Rickettsia rickettsii
fr-BE French (Belgium) Rickettsia rickettsii