Ebola virus isolates have been differentiated into 5 species: Zaire Ebola virus Sudan Ebola virus Tai Forest Ebola virus (formerly, Côte d'Ivoire Ebola virus [the Tai forest is located in Côte D'Ivoire]) Bundibugyo Ebola virus Reston Ebola virus (which is present in Asia but does not cause disease in humans) Most outbreaks of Marburg and Ebola virus infections have originated in sub-Saharan Central and West Africa.