Signs and symptoms of viral hemorrhagic fevers vary by disease. In general, early signs and symptoms can include: 
Fever
Fatigue, weakness or general feeling of being unwell
Dizziness
Muscle, bone or joint aches
Nausea and vomiting
Diarrhea
 Symptoms that can become life-threatening More-severe symptoms include: 
Bleeding under the skin, in internal organs, or from the mouth, eyes or ears
Nervous system malfunctions
Coma
Delirium
Kidney failure
Respiratory failure
Liver failure
