Ebola

Ebola, in full Ebola virus disease, formerly called Ebola hemorrhagic fever, contagious disease caused by a virus of the family Filoviridae that is responsible for a severe and often fatal viral hemorrhagic fever. Outbreaks in primates—including gorillas, chimpanzees, and humans—and domestic pigs have been recorded. The disease is characterized by extreme fever, rash, and profuse hemorrhaging. In humans, ebolaviruses cause fatality in 25 to 90 percent of cases.