Bartonella quintanaBartonella henselaeBartonellaBartonella InfectionsTrench FeverAngiomatosis, BacillaryCat-Scratch DiseasePediculusCat DiseasesPhthirapteraBartonella bacilliformisCatsBartonellaceaeSiphonapteraArthropod VectorsPeliosis HepatisDNA, BacterialHomeless PersonsTyphus, Epidemic Louse-BorneEndocarditis, BacterialBacteremiaRickettsiaceaeAntibodies, BacterialRickettsia felisLice InfestationsPolymerase Chain ReactionDNA, Ribosomal SpacerRNA, Ribosomal, 16SCoxiella burnetiiDisease ReservoirsCtenocephalidesRickettsieaeSequence Analysis, DNAEctoparasitic InfestationsGrenadaHeart ValvesMolecular Sequence DataLymphatic DiseasesPhylogenySeroepidemiologic StudiesHeminFluorescent Antibody Technique, IndirectRickettsia