Cat-Scratch DiseaseBartonella henselaeBartonellaAngiomatosis, BacillaryBartonella quintanaBartonella InfectionsCatsRickettsiaceaeCat DiseasesTrench FeverSiphonapteraLymphatic DiseasesSplenic DiseasesAntibodies, BacterialFluorescent Antibody Technique, IndirectImmunocompetencePolymerase Chain ReactionDNA, BacterialLymph NodesRNA, Ribosomal, 16SImmunoglobulin MSensitivity and SpecificityImmunoglobulin G