[1] Both are select agents,[2] World Health Organization Risk Group 4 Pathogens (requiring Biosafety Level 4-equivalent containment),[3] National Institutes of Health/National Institute of Allergy and Infectious Diseases Category A Priority Pathogens,[4] Centers for Disease Control and Prevention Category A Bioterrorism Agents,[5] and are listed as Biological Agents for Export Control by the Australia Group.

[6] The genus Marburgvirus is a virological taxon included in the family Filoviridae, order Mononegavirales.

[7] The genus currently includes a single virus species, Marburg marburgvirus.

[7] The members of the genus (i.e. the actual physical entities) are called marburgviruses.

[17][7] The members of the species (i.e. the actual physical entities) are called Marburg marburgviruses.