Infections caused by rickettsiae

1. Mediterranean spotted fever is caused by

A. R. typhi

B. R. conorii

C. R. akari

D. R. felis

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ANSWER – B

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2.Rickettsial pox is caused by

A. R. typhi

B. R. conorii

C. R. akari

D. R. felis

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Answer – C

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Disease	Organism	Reservoir	Vector
Typhus fever
Epidemic typhus	Rickettsia prowazekii	Man	Human body louse
Endemic (murine) typhus	R. typhi	Rodents	Rat flea
Scrub typhus	Orientia tsutsugamushi	Trombiculid mite	Trombiculid mite
Spotted Fever
African tick typhus	R. africae	Various mammals	Hard tick
Mediterranean spotted fever	R. conorii	Rodents, dog	Rodents, dog
Rocky Mountain spotted fever	R. rickettsii	Rodents, dog	Hard tick
Rickettsial pox	R. akari	Rodents	Mite
Flea-borne spotted fever	R. felis	Various mammals	Flea