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Staff of the 'Doctors without Borders' ('Medecin sans frontieres') medical aid organisation carry the body of a person killed by viral haemorrhagic fever, at a center for victims of the Ebola virus in Guekedou, on April 1, 2014. The viral haemorrhagic fever epidemic raging in Guinea is caused by several viruses which have similar symptoms -- the deadliest and most feared of which is Ebola. AFP PHOTO / SEYLLOU        (Photo credit should read SEYLLOU/AFP/Getty Images)
Staff of the 'Doctors without Borders' ('Medecin sans frontieres') medical aid organisation carry the body of a person killed by viral haemorrhagic fever, at a center for victims of the Ebola virus in Guekedou, on April 1, 2014. The viral haemorrhagic fever epidemic raging in Guinea is caused by several viruses which have similar symptoms -- the deadliest and most feared of which is Ebola. AFP PHOTO / SEYLLOU        (Photo credit should read SEYLLOU/AFP/Getty Images)

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    Dozens killed by ebola outbreak

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Dozens killed by ebola outbreak

The World Health Organization is working to contain an outbreak of the deadly Ebola virus. CNN's Jonathan Mann has more.

Dozens killed by ebola outbreak

The World Health Organization is working to contain an outbreak of the deadly Ebola virus. CNN's Jonathan Mann has more.