DO_infectious_disease_slim has material basis in has symptom giardiasis A parasitic protozoa infectious disease that involves infection of the small intestine by a single-celled enteric protozoan parasite Giardia duodenalis. The symptoms include greasy and malodorous stools, diarrhea, abdominal pain, bloating, nausea, and vomiting. DOID:10718 SNOMEDCT_US_2025_09_01:266176008 Infection by Giardia lamblia MESH:D005873 MEDDRA:0017536 ICD10CM:A07.1 disease_ontology UMLS_CUI:C0017536 ICD9CM:007.1 beaver feaver parasitic protozoa infectious disease Giardia duodenalis steatorrhea bloating abdominal pain nausea diarrhea vomiting