<Tr> <Th> Prognosis </Th> <Td> 25--90% mortality </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Ebola virus disease (EVD), also known as Ebola hemorrhagic fever (EHF) or simply Ebola, is a viral hemorrhagic fever of humans and other primates caused by ebolaviruses . Signs and symptoms typically start between two days and three weeks after contracting the virus with a fever, sore throat, muscular pain, and headaches . Then, vomiting, diarrhea and rash usually follow, along with decreased function of the liver and kidneys . At this time, some people begin to bleed both internally and externally . The disease has a high risk of death, killing between 25 and 90 percent of those infected, with an average of about 50 percent . This is often due to low blood pressure from fluid loss, and typically follows six to sixteen days after symptoms appear . </P> <P> The virus spreads by direct contact with body fluids, such as blood, of an infected human or other animals . This may also occur through contact with an item recently contaminated with bodily fluids . Spread of the disease through the air between primates, including humans, has not been documented in either laboratory or natural conditions . Semen or breast milk of a person after recovery from EVD may carry the virus for several weeks to months . Fruit bats are believed to be the normal carrier in nature, able to spread the virus without being affected by it . Other diseases such as malaria, cholera, typhoid fever, meningitis and other viral hemorrhagic fevers may resemble EVD . Blood samples are tested for viral RNA, viral antibodies or for the virus itself to confirm the diagnosis . </P>

What is the name of the virus that causes ebola