Rickettsia felisCtenocephalidesSiphonapteraRickettsia InfectionsRickettsiaFlea InfestationsEctoparasitic InfestationsRickettsia prowazekiiTyphus, Endemic Flea-BorneRickettsia typhiRickettsia rickettsiiCat DiseasesDog DiseasesCatsTyphus, Epidemic Louse-BorneHelicobacter felisRhipicephalus sanguineusAntiparasitic AgentsNitro CompoundsPhthirapteraRickettsieaeMethopreneBartonellaTicksBartonella InfectionsFelisDogsBartonellaceaeRocky Mountain Spotted FeverInsecticidesCitrate (si)-SynthaseBoutonneuse FeverInsect VectorsDNA, BacterialOrientia tsutsugamushiBacterial Outer Membrane ProteinsPolymerase Chain ReactionAntibodies, BacterialSequence Analysis, DNADermacentor