Viral haemorrhagic fevers.
D000818:Animals; D001103:Arboviruses; D001118:Argentina; D001838:Bolivia; D003223:Congo; D004199:Disease Vectors; D006482:Hemorrhagic Fevers, Viral / Q000453:epidemiology*; D006801:Humans; D007303:Insect Vectors; D014586:USSR; D014777:Virus Diseases / Q000453:epidemiology*; D014780:Viruses / Q000145:classification