Rickettsia is a genus of nonmotile, gram-negative, nonspore-forming, highly pleomorphic bacteria that may occur in the forms of cocci (0.1 μm in diameter)...

Rickettsia conorii is a Gram-negative, obligate intracellular bacterium of the genus Rickettsia that causes human disease called boutonneuse fever, Mediterranean...

Rickettsia rickettsii is a Gram-negative, intracellular, coccobacillus bacterium that was first discovered in 1902. Having a reduced genome, the bacterium...

Rickettsia typhi is a small, aerobic, obligate intracellular, rod shaped gram negative bacterium. It belongs to the typhus group of the Rickettsia genus...

Rickettsia sibirica is a species of Rickettsia. This bacterium is the etiologic agent of North Asian tick typhus, which is also known as Siberian tick...

Rickettsia prowazekii is a species of gram-negative, alphaproteobacteria, obligate intracellular parasitic, aerobic bacillus bacteria that is the etiologic...

Rickettsia japonica is a species of Rickettsia. It can cause Japanese spotted fever. Hanaoka N, Matsutani M, Kawabata H, et al. (December 2009). "Diagnostic...

Rickettsia asiatica is a tick-borne pathogenic species borne by Ixodes ovatus. The type strain of Rickettsia asiatica sp. nov. is IO-1T (=CSUR R2T). Fujita...

Rickettsia parkeri (abbreviated R. parkeri) is a gram-negative intracellular bacterium. The organism is found in the Western Hemisphere and is transmitted...

Rickettsia africae is a species of Rickettsia. It can cause African tick-bite fever. Fournier PE, El Karkouri K, Leroy Q, et al. (2009). "Analysis of...

hearing loss or loss of part of an arm or leg. The disease is caused by Rickettsia rickettsii, a type of bacterium that is primarily spread to humans by...

Rickettsia helvetica, previously known as the Swiss agent, is a bacterium found in Dermacentor reticulatus and other ticks, which has been implicated as...

Rickettsia massiliae is a tick-borne pathogenic spotted fever group Rickettsia species. L. Beati & D. Raoult (October 1993). "Rickettsia massiliae sp....

causative agent of Q fever. The genus Coxiella is morphologically similar to Rickettsia, but with a variety of genetic and physiological differences. C. burnetii...

a mite-borne infectious illness caused by bacteria of the genus Rickettsia (Rickettsia akari). Physician Robert Huebner and self-trained entomologist Charles...

Rickettsia peacockii is a species of gram negative Alphaproteobacteria of the spotted fever group, identified from Rocky Mountain wood ticks (Dermacentor...

by specific types of bacterial infection. Epidemic typhus is caused by Rickettsia prowazekii spread by body lice, scrub typhus is caused by Orientia tsutsugamushi...

Africa, as well as Central and South America. The causative organism is Rickettsia prowazekii, transmitted by the human body louse (Pediculus humanus corporis)...

Rickettsia honei is a species of Rickettsia. It can cause Flinders Island spotted fever. Stenos J, Roux V, Walker D, Raoult D (October 1998). "Rickettsia...

Rickettsia felis is a species of bacterium, the pathogen that causes cat-flea typhus in humans, also known as flea-borne spotted fever. Rickettsia felis...

1935) Rake 1957 emend. Everett et al. 1999 Synonyms Rickettsia trachomae [sic] Busacca 1935 Rickettsia trachomatis (Busacca 1935) Foley and Parrot 1937 Chlamydozoon...

Rickettsia akari is a species of Rickettsia which causes rickettsialpox. After a 1946 outbreak of a rickettsial-type disease at an apartment complex in...

Tick-borne Rickettsia rickettsii Rocky Mountain spotted fever Rickettsia conorii Boutonneuse fever Rickettsia japonica Japanese spotted fever Rickettsia sibirica...

Rickettsia raoultii is a tick-borne pathogenic spotted fever group Rickettsia species borne by Dermacentor ticks. Oleg Mediannikov; Kotaro Matsumoto;...

Rickettsia heilongjiangensis is a species of gram negative Alphaproteobacteria, within the spotted fever group, being carried by ticks. It is pathogenic...

Rickettsia australis is a bacterium that causes a medical condition called Queensland tick typhus. The probable vectors are the tick species, Ixodes holocyclus...

to other forms of typhus, its pathogen is no longer included in genus Rickettsia with the typhus bacteria proper, but in Orientia. The disease is thus...

Bartonella quintana, originally known as Rochalimaea quintana, and "Rickettsia quintana", is a bacterium transmitted by the human body louse that causes...

of Rickettsia. However, scrub typhus is still considered a rickettsiosis, even though the causative organism has been reclassified from Rickettsia tsutsugamushi...

people do not develop symptoms. Tick bite fever is caused by the bacterium Rickettsia africae. The bacterium is spread by ticks of the Amblyomma type. These...