Source: http://www.the-news-daily.com.John Moore/Getty Images. License: All Rights Reserved.

A man passes an Ebola awareness mural on October 2, 2014 in Monrovia, Liberia. More than 3,200 people have died in West Africa due to the epidemic.

Source: http://www.abc.net.au.PASCAL GUYOT/AFP/Getty Images. License: All Rights Reserved.

A man looks on as workers set up a new treatment centre as part of the fight against the deadly ebola virus in Monrovia, Liberia.

Source: http://www.wcnc.com.Abbas Dulleh, AP. License: All Rights Reserved.

A banner reading, "Ebola is real. Protect yourself and your family" warns people of the Ebola virus in Monrovia, Liberia, on Aug. 2.

Source: http://www.npr.org.Pascal Guyot/AFP/Getty Images. License: All Rights Reserved.

A man stands above a new Ebola treatment center in Monrovia, Liberia. Health workers in Liberia, the hardest-hit nation, have turned people away from treatment units because of shortages of beds and staff.