Assertion: lassa fever's symptom | /r/HasProperty | myalgia
Facets:
value: in the early stages
type: TEMPORAL
Source sentences:
text: Symptoms, when present, include fever, headache, pharyngitis, myalgia, abdominal pain and other constitutional complaints.
text: Mild signs and symptoms include low-grade fever, headache, malaise, weakness, and myalgia in the early stages.
text: Symptoms of Lassa fever include malaise, fever, headache, sore throat, cough, nausea, vomiting, diarrhoea, myalgia, chest pain, and hearing loss.