Sudan virus (SUDV) is one of five known viruses within the genus Ebolavirus and causes Ebola virus disease (EVD) in humans and other primates; it is the sole member of the species Sudan ebolavirus. SUDV is a Select Agent, World Health Organization Risk Group 4 Pathogen (requiring Biosafety Level 4-equivalent containment), National Institutes of Health/National Institute of Allergy and Infectious Diseases Category A Priority Pathogen, Centers for Disease Control and Prevention Category A Bioterrorism Agent, and listed as a Biological Agent for Export Control by the Australia Group.