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What is Scrub typhus is spread by: September 2007 and explain in detail?
Ans. C: Trombiculid mite Scrub typhus is a form of typhus caused by Orientia tsutsugamushi. Scrub typhus is transmitted by some species of trombiculid mites ("chiggers", paicularly Leptotrombidium deliense), which are found in areas of heavy scrub vegetation. The bite of this mite leaves a characteristic black eschar that is useful to the doctor for making the diagnosis