WHO: Ebola Most Challenging Epidemic ‘in Decades’
![Liberian President Ellen Johnson Sirleaf arrives at the capitol to address lawmakers in Monrovia, Liberia, Sept. 29, 2014.](https://gdb.voanews.com/c4696b71-82f9-4f95-a2df-65fd41cb9620_w1024_q10_s.jpg)
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Liberian President Ellen Johnson Sirleaf arrives at the capitol to address lawmakers in Monrovia, Liberia, Sept. 29, 2014.
![A teacher reacts after adding paint to a canvas following a performance by actors during an awareness campaign against Ebola at Anono school, in Abidjan, Ivory Coast, Sept. 25, 2014.](https://gdb.voanews.com/49be9627-0294-4911-a02b-dbba2504f688_w1024_q10_s.jpg)
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A teacher reacts after adding paint to a canvas following a performance by actors during an awareness campaign against Ebola at Anono school, in Abidjan, Ivory Coast, Sept. 25, 2014.
![U.S. President Barack Obama shakes hands with Chairperson of the African Union Commission Dr. Nkosazana Dlamini Zuma after speaking at the United Nations meeting on the Ebola outbreak, in New York, Sept. 25, 2014.](https://gdb.voanews.com/6ab8bc17-5262-4e7c-b1c6-b45595148515_w1024_q10_s.jpg)
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U.S. President Barack Obama shakes hands with Chairperson of the African Union Commission Dr. Nkosazana Dlamini Zuma after speaking at the United Nations meeting on the Ebola outbreak, in New York, Sept. 25, 2014.
![Students wash their hands as a preventive measure against Ebola at Anono school in Abidjan, Ivory Coast, Sept. 25, 2014.](https://gdb.voanews.com/c2a42bfc-3b1f-4226-b23f-377485010e98_w1024_q10_s.jpg)
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Students wash their hands as a preventive measure against Ebola at Anono school in Abidjan, Ivory Coast, Sept. 25, 2014.