Rickettsia rickettsiiRickettsiaRocky Mountain Spotted FeverRickettsia InfectionsBoutonneuse FeverRickettsia conoriiTicksRickettsia prowazekiiRickettsia typhiDermacentorRickettsieaeTyphus, Epidemic Louse-BorneIxodidaeTick-Borne DiseasesRickettsiaceae InfectionsTyphus, Endemic Flea-BorneArachnid VectorsRickettsiaceaeRhipicephalus sanguineusRickettsia felisSaint Kitts and NevisSiphonapteraAntibodies, BacterialJackalsRhipicephalusRickettsial VaccinesDNA, BacterialOrientia tsutsugamushiIxodesAntigens, BacterialTick InfestationsBacterial Outer Membrane ProteinsEhrlichiosisPolymerase Chain ReactionSeroepidemiologic StudiesVero CellsScrub TyphusAnaplasmataceaeFluorescent Antibody Technique, IndirectCitrate (si)-SynthasePhylogenyFeverEhrlichia chaffeensisArthropod VectorsCoxiellaQ FeverMolecular Sequence DataPolymorphism, Restriction Fragment LengthSpecies SpecificityTick ToxicosesSequence Analysis, DNABacterial ProteinsRNA, Ribosomal, 16SDog DiseasesGenes, BacterialGuinea PigsCoxiella burnetiiCross ReactionsComplement Fixation TestsBase SequenceBartonellaFluorescent Antibody TechniqueDNA, RibosomalCercopithecus aethiopsFluoroimmunoassayBrazilDogsRodentia