filariasis dirofilariasis A filariasis that is a zoonotic infection caused by nematodes Dirofilaria immitis or Dirofilaria repens, which are transmitted to humans from dogs, cats, wolves and coyotes by infected mosquitoes. The disease manifests as either subcutaneous nodules or pulmonary lesions. DOID:1082 UMLS_CUI:C0012602 ICD10CM:B74.8 Infection by Dirofilaria MESH:D004184 SNOMEDCT_US_2020_03_01:73328005 GARD:11908 Dirofilaria infectious disease disease_ontology skin disease lung disease