Viral hemorrhagic fever are a diverse group of animal and human illnesses in whichfever and hemorrhage are caused by a viral infection
VHFs may be caused by distinct families of RNA viruses:
- Arenaviridae:Lassa virus(Lassa fever)
- Filoviridae: IncludeEbola virus and Marburg virus
- Bunyaviridae:Rift Valley fever
- Flaviviridae:include dengue, yellow fever
