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Ebola and Marburg fevers

Ebola virus disease outbreak, West Africa

In late March 2014, an outbreak of Ebola virus disease was confirmed in Guinea. Confirmed cases of the disease have since been reported in Liberia. Suspected cases have also been reported in other countries in West Africa. Gene sequencing of the virus causing the outbreak has demonstrated 98% homology with the Zaire Ebola virus last reported from an outbreak in 2009 in the Democratic Republic of Congo. Case fatality ratios from previous outbreaks caused by this viral strain of the disease have been high.

Through both epidemiological updates and rapid risk assessments, ECDC provides updates on the impact of the disease and the risk to European public health.



​Ebola and Marburg haemorrhagic fevers are caused by the Ebola and Marburg virus respectively, both belonging to the same virus family. Both are rare diseases, but have the potential to cause high death rates. Transmission of the viruses occurs from person to person through close contact with blood or body fluids.
Clinical illness starts as a flu-like syndrome, rapidly evolving to severe disease with bleedings. No treatment or vaccine is available for either disease.




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