Rickettsia

Rickettsia prowazekii causes louse-borne typhus, carried from person to person by two species of lice. Flea, or murine, typhus, caused by R. mooseri, is transmitted from rodents to people by fleas. Trench fever, caused by R.
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Rickettsial pox is caused by Rickettsia akari. It is commonly found (endemic) in the US in New York City and other urban areas. It also has been recognized in South Africa, Korea, and Russia.
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Rickettsia akari is the organism that causes rickettsialpox. The natural host of Rickettsia akari is the house mouse. Humans are accidental hosts who become infected when bitten by an infected mouse mite.
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Streptococcal and staphylococcal bacteria are the most common causes of lymphadenitis, although viruses, protozoa, rickettsiae, fungi, and the tuberculosis bacillus can also infect the lymph nodes.
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Respiratory syncytial virus disease section of Infections: Viral and rickettsial. In WW Hay Jr et al., eds., Current Pediatric Diagnosis and Treatment, 15th ed., pp. 990"992. New York: Lange Medical Books/McGraw-Hill.
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Rocky Mountain spotted fever is a severe illness caused by tiny bacteria called Rickettsia rickettsii, which are transmitted through the bite of an infected tick.
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Nearly any group of pathogens, such as bacteria, virus, rickettsia, spirochetes, and fungi, can cause infection.
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RMSF is caused by Rickettsia rickettsii, a microorganism carried by rodents and other small mammals inhabiting infested areas. Ticks who feed on these animals acquire the microorganism and pass it along in their saliva.
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Typhus, African tick: One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted fever, but less severe, with fever, a small ulcer (tache noire) at the site of the tick bite, ...
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Spotted fever is caused by a similar bacteria (rickettsia) that causes typhus (which see), but spotted fever is transmitted by a tick. Of the reported cases, 90% occur along the eastern seaboard and 10% in the Rocky Mountains.
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BLACK FEVER - An acute tick-borne illness caused by the bacteria Rickettsia rickettsii. The disease is characterized by sudden onset of headache, chills, and fever which can persist for 2-3 weeks.
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Rocky Mountain spotted fever is an infectious disease caused by Rickettsia rickettsii transmitted to humans by the bite of a tick.
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Rocky Mountain Spotted Fever, Lesions on Arm ...
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