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Microbiology

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Rickettsia and Chlamydia

Question
16 out of 42
 

Zoonotic tetrad is in: (DNB June 2011)



A Q fever

B Endemic typhus

C Scrub typhus

D Epidemic typhus

Ans. C Scrub typhus

a. Zoonotic tetrad is a feature of Scrub typhus.

b. It is caused by Orientia tsutsugamushi and transmitted by chiggers of mites.

c. Four factors are essential for establishment of a microfocus of infection: coexistence and intimate relationship of O.tsutsugamushi, chiggers, rats and secondary or transitional form of vegetation called zoonotic tetrad.

Rickettsia and Chlamydia Flashcard List

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