tick-borne_infectious_disease DO_infectious_disease_slim gram-negative_bacterial_infectious_disease zoonotic_infectious_disease NCIthesaurus transmitted by has symptom relapsing fever tick-borne relapsing fever DOID:13036 UMLS_CUI:C0035022 ICD9CM:087.1 A relapsing fever that is characterized by relapsing or recurring episodes of fever, has_material_basis_in Borrelia hermsii, has_material_basis_in Borrelia parkeri or has_material_basis_in Borrelia duttoni, which are transmitted_by soft ticks (Ornithodoros parkeri and Ornithodoros hermsii). The infection has_symptom tachypnea, has_symptom tachycardia, has_symptom hepatosplenomegaly and has_symptom lymphadenopathy. NCI:C34976 Relapsing fever, tick-borne SNOMEDCT_US_2025_09_01:10301003 disease_ontology ICD10CM:A68.1 soft tick relapsing fever Ornithodoros parkeri hepatosplenomegaly enlargement of lymph nodes tachycardia tachypnea relapsing fever lymphadenopathy tick borne transmission