<prompt> Scrub typhus caused by R-tsutsugamushi is transmitted by?FleaChiggerTickMosquito  <response>: Ans. is b i.e., ChiggerScrub typhus is the most widespread Rickettsial disease.It is caused by R. tsutsugamushi orientia tsutsugamushi and the vector of its transmission is trombiculid mite Leptotrombidium delinese and L. akamushi. 