<unk> s <unk> s) are a diverse group of animal and human illnesses in which<unk>  and hemorrhage are caused by a<unk>  infection.<unk> s may be caused by five distinct families of RNA viruses: the families Filoviridae, Flaviviridae, Rhabdoviridae, and<unk> al member families of the Bunyavirales order such as Arenaviridae, and Hantaviridae. All types of<unk>  are characterized by<unk>  and bleeding disorders and all can progress to high<unk> , shock and death in many cases. Some of the<unk>  agents cause relatively mild illnesses, such as the Scandinavian nephropathia epidemica (a hantavirus), while others, such as Ebola virus, can cause<unk> e, life-threatening disease.
Viral hemorrhagic fever
Omsk hemorrhagic fever
Bolivian hemorrhagic fever
Argentine hemorrhagic fever
Crimean–Congo hemorrhagic fever
Brain fever
Dengue fever
Blackwater fever