the genus ebola virus first was recognized in 1976, when two outbreaks occurred in zaire and sudan. ebola virus disease (evd) is a highly contagious disease that can affect both human and nonhuman primates: zaire ebolavirus (zebov), sudan ebolavirus (sebov), côte d’ivoire ebolavirus (cebov), bundibugyo ebolavirus (bebov) and reston ebolavirus (rebov) are five members of the filoviridae family t...