<prompt> The following is the etiological agent of Rocky mountain spotted fever:Rickettsia rickettsiiRochalimaea quintanaRickettsia tsutsugamushiCoxiella burnetii  <response>: Ans. is a i.e., Rickettsia Rickettsi SpeciesDiseaseVectorR. ProwazekiiEpidemic typhusLouseR. ProwazekiiBrill Zinsser diseaseLouseR. typhiEndemic typhusRat fleaR. RickettsiaRocky mountain spotted feverTickR. akariRickettsial poxGamasid miteOriental TsutsugamushiScrub typhusTrombiculid mite 