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13 October 2014 Last updated at 17:48 BST
Meanwhile, the World Health Organization (WHO) Director-General Margaret Chan said the outbreak threatened the "very survival of societies and governments in already very poor countries".
Also, BBC World News begins broadcasting a special programme with the very latest on the outbreak. It will air daily this week at 18:30 GMT.
Here is the latest Ebola news for Monday 13 October - in 15 seconds.
Nurses and medical assistants fighting the Ebola outbreak in Liberia have largely ignored a call to strike over danger money and conditions.