Mondo Description A viral hemorrhagic fever that is caused by the Lassa virus, which is transmitted by contact with infected rodents; it is characterized by fever, headache, malaise, myalgia, and hearing loss.

Disease Ontology Description A viral infectious disease that results_in infection, has_material_basis_in Lassa virus, which is transmitted_by multimammate rat of the genus Mastomys. The infection has_symptom fever, has_symptom retrosternal pain, has_symptom sore throat, has_symptom back pain, has_symptom cough, has_symptom abdominal pain, has_symptom vomiting, has_symptom diarrhea, has_symptom conjunctivitis, has_symptom facial swelling, has_symptom proteinuria (protein in the urine), and has_symptom mucosal bleeding.