Rickettsia rickettsiiRocky Mountain Spotted FeverRickettsiaRickettsia InfectionsRickettsia prowazekiiTicksRickettsial VaccinesRickettsia felisRickettsia typhiGenetic VectorsDermacentorIxodidaeCoxiellaRhipicephalus sanguineusArachnid VectorsTick-Borne DiseasesAntibodies, BacterialBoutonneuse FeverTyphus, Epidemic Louse-BorneRickettsia conoriiEhrlichia chaffeensisVero CellsOrientia tsutsugamushiBartonellaComplement Fixation TestsGuinea PigsAntigens, BacterialDog DiseasesEhrlichiosisTyphus, Endemic Flea-BorneDNA, BacterialCercopithecus aethiopsSiphonaptera