Rickettsia rickettsiiRickettsiaRocky Mountain Spotted FeverRickettsia InfectionsBoutonneuse FeverRickettsia conoriiTicksRickettsia typhiRickettsia prowazekiiDermacentorRickettsieaeTyphus, Epidemic Louse-BorneIxodidaeTick-Borne DiseasesRickettsiaceae InfectionsArachnid VectorsTyphus, Endemic Flea-BorneRickettsiaceaeRhipicephalus sanguineusSaint Kitts and NevisSiphonapteraAntibodies, BacterialJackalsRhipicephalusRickettsia felisRickettsial VaccinesDNA, BacterialAntigens, BacterialIxodesTick InfestationsEhrlichiosisBacterial Outer Membrane ProteinsSeroepidemiologic StudiesPolymerase Chain ReactionScrub TyphusVero CellsOrientia tsutsugamushiAnaplasmataceaeFluorescent Antibody Technique, IndirectFeverCitrate (si)-SynthasePhylogenyEhrlichia chaffeensisQ FeverArthropod VectorsPolymorphism, Restriction Fragment LengthMolecular Sequence DataCoxiellaSpecies SpecificityTick ToxicosesBacterial ProteinsSequence Analysis, DNARNA, Ribosomal, 16SDog DiseasesGuinea PigsGenes, BacterialCoxiella burnetiiCross ReactionsComplement Fixation TestsBase SequenceFluorescent Antibody TechniqueDNA, RibosomalBartonellaCercopithecus aethiopsFluoroimmunoassayBrazilDogs