IxodidaeTicksRocky Mountain Spotted FeverTick InfestationsPlasmodium ovaleRickettsiaArachnid VectorsForamen OvaleRickettsia InfectionsTick-Borne DiseasesEhrlichia ruminantiumHeartwater DiseaseNymphIxodesHeart Septal Defects, AtrialRhipicephalusRhipicephalus sanguineusBorreliaDermacentorBorrelia InfectionsEmbolism, ParadoxicalEhrlichia chaffeensisTick ControlRickettsia rickettsii