IxodidaeTick InfestationsRhipicephalus sanguineusTicksRickettsiaRhipicephalusNymphDermacentorArachnid VectorsIxodesEhrlichia ruminantiumRickettsia InfectionsAcaricidesRocky Mountain Spotted FeverHeartwater DiseaseArthropod VectorsTick-Borne DiseasesBrazilSalivary GlandsBorrelia InfectionsBorreliaEhrlichia chaffeensisArthropod ProteinsSaint Kitts and NevisRickettsia rickettsiiTheileriaRickettsiaceaeCattle DiseasesPhylogenyInsect RepellentsCoxiella