EhrlichiosisRickettsiaceae InfectionsEhrlichiaEhrlichia canisDog DiseasesDogsTick-Borne DiseasesIxodesGranulocytesAnaplasmosisAnaplasma phagocytophilumArachnid VectorsAnaplasmaHL-60 CellsAntibodies, BacterialRickettsiaceaePolymerase Chain ReactionFluorescent Antibody Technique, IndirectLyme DiseaseArthropod VectorsDoxycyclineTick InfestationsBabesiosisPeromyscusBorrelia burgdorferi GroupHorse DiseasesSerologic TestsAnaplasmataceaeDisease ReservoirsSloveniaAntigens, BacterialDNA, BacterialNymphMaineHorsesRNA, Ribosomal, 16SConnecticutDeerWisconsinZoonosesDistemper Virus, CanineIxodidaeMolecular Sequence DataErythema Chronicum MigransParvovirus, CanineBites and StingsSeroepidemiologic StudiesBabesiaMice, Inbred C3HBacterial Outer Membrane ProteinsNew YorkCross ReactionsTennesseeMissouriCuspidBase SequenceBorrelia burgdorferiSequence Analysis, DNAThrombocytopeniaMinnesotaDisease Models, AnimalCoronavirus, CanineSpecies SpecificityGenes, BacterialDNA, RibosomalSensitivity and SpecificityAcute-Phase ReactionBacterial ProteinsSpleen