Bartonella quintanaTrench FeverBartonellaBartonella InfectionsBartonella henselaePediculusAngiomatosis, BacillaryPhthirapteraCat-Scratch DiseaseHomeless PersonsTyphus, Epidemic Louse-BorneArthropod VectorsBartonellaceaeBartonella bacilliformisSteroids, HeterocyclicRickettsia felisEndocarditis, BacterialRickettsiaceaeBacteremiaDNA, Ribosomal SpacerDNA, BacterialHeart ValvesCoxiella burnetiiHeminAntibodies, BacterialSiphonapteraCatsPolymerase Chain ReactionCat DiseasesRNA, Ribosomal, 16S