Ehrlichia ewingii

Ehrlichia ewingii is a species of rickettsiales bacteria.

Previously known to infect dogs, it has recently been associated with human infection (see Human ewingii ehrlichiosis).^[1]

There is currently no serological test.^[2] PCR can be used in diagnosis.^[3]

The name Ehrlichia ewingii was proposed in 1992.^[4]

It is classified as a member of genus Ehrlichia.^[5]

The bacteria use ticks as a vector.

References

↑ Buller RS, Arens M, Hmiel SP, et al. (July 1999). "Ehrlichia ewingii, a newly recognized agent of human ehrlichiosis". N. Engl. J. Med. 341 (3): 148–55. doi:10.1056/NEJM199907153410303. PMID 10403852.
↑ Zhang C, Xiong Q, Kikuchi T, Rikihisa Y (March 2008). "Identification of 19 polymorphic major outer membrane protein genes and their immunogenic peptides in Ehrlichia ewingii for use in a serodiagnostic assay". Clin. Vaccine Immunol. 15 (3): 402–11. doi:10.1128/CVI.00366-07. PMC 2268259. PMID 18094116.
↑ Gusa, Aa; Buller, Rs; Storch, Ga; Huycke, Mm; Machado, Lj; Slater, Ln; Stockham, Sl; Massung, Rf (Nov 2001). "Identification of a p28 gene in Ehrlichia ewingii: evaluation of gene for use as a target for a species-specific PCR diagnostic assay." (Free full text). Journal of clinical microbiology. 39 (11): 3871–6. doi:10.1128/JCM.39.11.3871-3876.2001. PMC 88457. PMID 11682500.
↑ Anderson BE, Greene CE, Jones DC, Dawson JE (April 1992). "Ehrlichia ewingii sp. nov., the etiologic agent of canine granulocytic ehrlichiosis". Int. J. Syst. Bacteriol. 42 (2): 299–302. doi:10.1099/00207713-42-2-299. PMID 1581189.
↑ Ehrlichia ewingii at the US National Library of Medicine Medical Subject Headings (MeSH)

Tick-borne	Rickettsia rickettsii Rocky Mountain spotted fever Rickettsia conorii Boutonneuse fever Rickettsia japonica Japanese spotted fever Rickettsia sibirica North Asian tick typhus Rickettsia australis Queensland tick typhus Rickettsia honei Flinders Island spotted fever Rickettsia africae African tick bite fever Rickettsia parkeri American tick bite fever Rickettsia aeschlimannii Rickettsia aeschlimannii infection

Mite-borne	Rickettsia akari Rickettsialpox Orientia tsutsugamushi Scrub typhus

Flea-borne	Rickettsia felis Flea-borne spotted fever

Brucellaceae	Brucella abortus Brucellosis

Bartonellaceae	Bartonellosis: Bartonella henselae Cat-scratch disease Bartonella quintana Trench fever Either B. henselae or B. quintana Bacillary angiomatosis Bartonella bacilliformis Carrion's disease, Verruga peruana

M+	Neisseria meningitidis/meningococcus Meningococcal disease, Waterhouse–Friderichsen syndrome, Meningococcal septicaemia

M-	Neisseria gonorrhoeae/gonococcus Gonorrhea

ungrouped:	Eikenella corrodens/Kingella kingae HACEK Chromobacterium violaceum Chromobacteriosis infection

H2S+	Salmonella enterica Typhoid fever, Paratyphoid fever, Salmonellosis

H2S-	Shigella dysenteriae/sonnei/flexneri/boydii Shigellosis, Bacillary dysentery Proteus mirabilis/Proteus vulgaris Yersinia pestis Plague/Bubonic plague Yersinia enterocolitica Yersiniosis Yersinia pseudotuberculosis Far East scarlet-like fever

Haemophilus:	H. influenzae Haemophilus meningitis Brazilian purpuric fever H. ducreyi Chancroid H. parainfluenzae HACEK

Pasteurella multocida	Pasteurellosis Actinobacillus Actinobacillosis

Aggregatibacter actinomycetemcomitans	HACEK

Campylobacterales	Campylobacter jejuni Campylobacteriosis, Guillain–Barré syndrome Helicobacter pylori Peptic ulcer, MALT lymphoma, Gastric cancer Helicobacter cinaedi Helicobacter cellulitis

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