Assertion: lassa fever's symptom | /r/HasProperty | variable
Facets:
Source sentences:
text: 80% of people infected with Lassa virus do not show symptoms and the clinical course of this disease is so variable, its detection in infected patient has been difficult but when the disease has been confirmed in an individual or a community, prompt isolation of the affected individuals is done to prevent spread of the disease.
text: Symptoms of LAFV infection are variable, and non-specific, making early diagnosis difficult.