The Ebola outbreak in West Africa has now killed 2,288 people (with 4,269 cases) according to the World Health Organization, but is accelerating dramatically. In a rather stunning admission, WHO warns, conventional means of controlling the outbreak are not working as the last 3 weeks have seen the number of cases and deaths double.

As The BBC reports,

The Ebola outbreak in West Africa has killed 2,288 people, with half of them dying in the last three weeks, the World Health Organization (WHO) says.

It said that 47% of the deaths and 49% of the total 4,269 cases had come in the 21 days leading up to 6 September.

The health agency warned that thousands more cases could occur in Liberia, which has had the most fatalities.

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In Nigeria, eight people have died out of 21 cases, while one case of Ebola has been confirmed in Senegal, the WHO said in its latest update.

On Monday, the agency called on organisations combating the outbreak in Liberia to scale up efforts to control the outbreak "three-to-four fold".

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However, the WHO says conventional means of controlling the outbreak, which include avoiding close physical contact with those infected and wearing personal protective equipment, were not working well in Liberia.