/ iːˈbəʊlə fiːvə(r); əˈbəʊlə; NAmE -ˈboʊ-/ noun
[ U ] a very serious disease, caused by a virus, which causes internal parts of the body to lose blood and usually ends in death
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WORD ORIGIN
1976: named after a river in the Democratic Republic of the Congo (Zaire), near which the disease was first observed.