EhrlichiaEhrlichia chaffeensisTicksEhrlichia canisEhrlichiosisTick InfestationsEhrlichia ruminantiumIxodesRickettsiaceaeRickettsiaceae InfectionsAnaplasmaIxodidaeArachnid VectorsTick-Borne DiseasesDog DiseasesAnaplasmataceaeNymphRickettsiaDermacentorRhipicephalusAnaplasma phagocytophilumAnaplasmosisTick ControlDogsRhipicephalus sanguineusHeartwater DiseaseHorse DiseasesAntibodies, BacterialRNA, Ribosomal, 16SLyme DiseasePolymerase Chain ReactionDNA, BacterialBabesiaTick ParalysisBorrelia burgdorferi GroupDeerBorreliaHorsesNeorickettsiaAnaplasmataceae InfectionsAntigens, BacterialDisease ReservoirsBorrelia burgdorferiOrnithodorosRickettsia rickettsiiMolecular Sequence DataArgasRickettsieaeArthropod VectorsRickettsia InfectionsBabesiosisPhylogenySequence Analysis, DNAAnaplasma marginaleTick BitesBacterial Outer Membrane ProteinsBartonellaRocky Mountain Spotted FeverDoxycyclineAnaplasma centraleFluorescent Antibody Technique, IndirectDNA, RibosomalArgasidaeSerologic TestsEncephalitis, Tick-BorneBites and StingsAcaricidesPeromyscusGranulocytesSeroepidemiologic StudiesChaperoninsBacterial ProteinsChromosome WalkingEncephalitis Viruses, Tick-BorneColorado tick fever virusSalivary GlandsBase SequenceRNA, BacterialEctoparasitic InfestationsArthropod ProteinsColorado Tick FeverOxytetracyclineSpecies SpecificityCattle DiseasesCitrate (si)-SynthaseSheep Diseases