Marburg virus
Marburg virus ( MARV ) causes Marburg virus disease in humans and nonhuman primates , a form of viral hemorrhagic fever . 
<triplet> Marburg virus <subj> Marburg virus disease <obj> has effect <triplet> Marburg virus disease <subj> Marburg virus <obj> has cause <subj> viral hemorrhagic fever <obj> subclass of