Assertion: lassa fever's symptom | /r/CapableOf | develop after few days
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text: After the incubation, mild symptoms like general weakness, fever and malaise begin to appear; after a few days other symptoms like headache, sore throat, muscle pain, chest pain, vomiting, nausea, cough, diarrhea and abdominal pain follow and in severe cases of Lassa fever, facial swelling, low blood pressure, bleeding from the mouth, nose, vagina and gastrointestinal tract and fluid in the cavity of the lungs develops.