A charity worker, center, from the GOAL Ireland humanitarian agency, educates children on how to prevent and identify the Ebola virus in their communities at Freetown, Sierra Leone, Thursday, Sept. 18, 2014. Shoppers crowded streets and markets in Sierra Leone's capital on Thursday stocking up for a three-day shutdown that authorities will hope will slow the spread of the Ebola outbreak that is accelerating across West Africa. (AP Photo/ Michael Duff)
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