Rickettsia rickettsiiRickettsiaRocky Mountain Spotted FeverRickettsia InfectionsBoutonneuse FeverRickettsia conoriiTicksRickettsia typhiRickettsieaeRickettsia prowazekiiTyphus, Epidemic Louse-BorneDermacentorIxodidaeRickettsiaceae InfectionsTick-Borne DiseasesTyphus, Endemic Flea-BorneArachnid VectorsRickettsiaceaeRhipicephalus sanguineusSaint Kitts and NevisArthropod VectorsAntibodies, BacterialRickettsial VaccinesScrub TyphusSiphonapteraJackalsOrientia tsutsugamushiRhipicephalusEhrlichiosisRickettsia felisDNA, BacterialAntigens, BacterialIxodesTick InfestationsBacterial Outer Membrane ProteinsPolymerase Chain ReactionSeroepidemiologic StudiesVero CellsAnaplasmataceaeFluorescent Antibody Technique, IndirectFeverCitrate (si)-SynthasePhylogenyEhrlichia chaffeensisMolecular Sequence DataQ FeverPolymorphism, Restriction Fragment LengthSpecies SpecificityCoxiellaSequence Analysis, DNABacterial ProteinsTick ToxicosesPlant DiseasesRNA, Ribosomal, 16SDog DiseasesGenes, BacterialGuinea PigsBase SequenceCoxiella burnetiiCross ReactionsComplement Fixation TestsFluorescent Antibody TechniqueDNA, RibosomalBartonellaCercopithecus aethiopsFluoroimmunoassayBrazilDogs