Assertion: lassa fever's symptom | /r/HasProperty | kidney problems
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Source sentences:
text: Signs and symptoms usually begin one to three weeks after infection with the virus, and include: fever (38oC (101oF), chest pain, sore throat, back pain, cough, stomach pain, vomiting, diarrhea, swollen and red eyes (conjunctivitis), facial swelling, kidney problems (protein in the urine) and bleeding from the mouth and gastrointestinal tract.