RickettsiaRocky Mountain Spotted FeverBoutonneuse FeverRickettsia InfectionsRickettsia conoriiRickettsia rickettsiiTicksRickettsia typhiRickettsieaeIxodidaeDermacentorTyphus, Epidemic Louse-BorneTick-Borne DiseasesRickettsiaceae InfectionsTyphus, Endemic Flea-BorneFeverArachnid VectorsRickettsiaceaeRhipicephalus sanguineusRickettsia prowazekiiSiphonapteraRickettsia felisSaint Kitts and NevisAntibodies, BacterialScrub TyphusTick ToxicosesQ FeverRhipicephalusJackalsOrientia tsutsugamushiTick InfestationsIxodesDNA, BacterialBacterial Outer Membrane ProteinsSeroepidemiologic StudiesArthropod VectorsCoxiella burnetiiPolymerase Chain ReactionRickettsial VaccinesFluoroimmunoassayEhrlichia chaffeensisAntigens, BacterialFluorescent Antibody Technique, IndirectEhrlichiosisRodentiaAnaplasmataceaePhylogenyCitrate (si)-SynthaseVero CellsPolymorphism, Restriction Fragment LengthMolecular Sequence DataCross ReactionsSequence Analysis, DNARNA, Ribosomal, 16SDog DiseasesYellow FeverTyphoid FeverSerotypingBrazilSpecies SpecificityPhlebovirusGenes, BacterialBacterial ProteinsFluorescent Antibody TechniqueDNA, RibosomalFever of Unknown OriginDogsBase SequenceGuinea PigsCercopithecus aethiopsRheumatic FeverDNA PrimersDoxycyclineCommunicable Diseases, EmergingOklahomaAntibodies, MonoclonalBorreliaRift Valley FeverSicilyTick BitesHemorrhagic Fevers, ViralLassa FeverHospitals, FederalFatal OutcomeEndemic DiseasesHemorrhagic Fever, Crimean