Most likely means of dissemination: Solid, liquid, or aerosol
Primary route of entry: Absorption, inhalation, ingestion
General signs and symptoms: Vary by type of viral hemorrhagic fever (VHF), but initial signs and symptoms often include marked fever, fatigue, dizziness, muscle aches, loss of strength, and exhaustion. Severe cases of VHF often show signs of bleeding under the skin, in internal organs, or from body orifices like the mouth, eyes, or ears.
Photo courtesy of the CDC archives.