It will take "extraordinary measures" to combat the worst ever outbreak of the deadly Ebola virus, according World Health Organisation chief Margaret Chan.
Speaking after a meeting with the leaders of Guinea, Liberia, Sierra Leone, she said: "The presidents recognise the serious nature of the Ebola outbreak in their countries. They are determined to take all the extraordinary measures to stop Ebola in their countries."
She added that the focus of action would be on the cross-border area where 70 percent of the more than 1,323 Ebola cases have been located.
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