This document provides an overview of the Ebola virus. It defines Ebola virus disease as a severe, often fatal disease caused by the Ebola virus. The Ebola virus is an enveloped, negative-strand RNA virus that causes hemorrhagic fever. It is transmitted through contact with infected body fluids and can cause internal and external bleeding. The document outlines the virus's structure, classification, transmission, symptoms, diagnosis, treatment and methods for controlling spread. It emphasizes that there is currently no licensed treatment and extensive research is still needed to develop vaccines and cures.