Symptoms of select spotted fever group rickettsioses

Disease (Bacterium responsible)	Percent of patients with			Multiple eschars	Enlarged local nodes
Disease (Bacterium responsible)	Rash	Headache	Eschar	Multiple eschars	Enlarged local nodes
African tick bite fever (R. africae)	30*	Yes	100	Yes	Yes
Flinders Island spotted fever (R. honei)	85	73	25	No	Yes
Japanese spotted fever (R. japonica)	100	22	48	No	No
Mediterranean spotted fever (R. conorii)	97	56	72	Very rare	Rare
Queensland tick typhus (R. australis)	100*		65	No	Yes
Rickettsialpox (R. akari)	100*	100	83	Yes	Yes
Rocky Mountain spotted fever (Rickettsia rickettsii)	90	80	0	No	No
Siberian tick typhus (R. sibirica)	100	100	77	Yes	Yes

* Vesicular.

Data from: Raoult D, Roux V. Rickettsioses as paradigms of new or emerging infectious diseases. Clin Microbiol Rev 1997; 10:694.

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