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Ebola virus was recognized in 1976 when an unrelated epidemic occurred in Zaire and Sudan. It is grouped in the Filoviridae family. It can cause hemorrhagic fever. The exact route of transmission Is unknown. Parenteral inoculation with contaminated material, skin or mucous memberne contact have probably been responsible for human infection. Ebola hemorrhagic fever has an incubation period of 4-16 days and begins with abrupt onset of fever usually accompanied by myalgia, headache, nausea, vomiting, abdominal pain, diarrhea, chest pain and cough. Around day 5-7, most patients will develop mucocutaneous hemorrhage. In the second week, the patient will defervesce and improve markedly or will die in shock with multiorgan dysfunction and disseminated intravascular coagulation. There is no specific treatment. The mortality rate is approximately 50-90% . The diagnosis made by isolation of the virus from blood or body fluids. No individual preventive measures, vaccines or antiviral chemotherapy are available.
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