IxodidaeEhrlichia ruminantiumSaint Kitts and NevisHeartwater DiseaseTicksArachnid VectorsRickettsiaTick InfestationsRickettsia InfectionsRocky Mountain Spotted FeverTick-Borne DiseasesNymphBorrelia InfectionsBorreliaEhrlichia chaffeensisRhipicephalus sanguineusArthropod VectorsRickettsia rickettsiiTheileriaRickettsiaceaeRhipicephalusInsect RepellentsCoxiellaBrazilAcariEctoparasitic InfestationsEhrlichiaTheileriasisDeerDermacentorPolymerase Chain ReactionDNA, BacterialEhrlichiosisFeeding Behavior