Associated Press
In this Sept. 19, 2014 photo, an Ebola virus health care worker takes a rest outside a Ebola isolation unit in Freetown, Sierra Leone.   Sierra Leone confined its 6 million people to their homes Friday for the next three days as the Ebola-ravaged West African country began what was believed to be the most sweeping lockdown against disease since the Middle Ages. (AP Photo/Michael Duff)

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