Workers with the aid group Doctors Without Borders prepare a new Ebola treatment center near Monrovia, Liberia, on Sunday. The facility has 120 beds, making it the largest Ebola isolation clinic in history.
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Kenyan health officials take the temperatures of passengers arriving at the Nairobi airport on Thursday. Kenya has no reported cases of Ebola, but it's a transportation hub and so is on alert.
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Medical workers treat Ebola patients at the Eternal Love Winning Africa hospital in Monrovia, Liberia. Three workers at the hospital, including Dr. Kent Brantly (left), have tested positive for Ebola.
Courtesy of Samaritan's Purse
Medical workers with the nonprofit Doctors Without Borders treat a patient for Ebola in Gueckedou, Guinea. Despite their protective gear, the workers try to maintain human contact with patients by talking with them and getting close enough to look into their eyes.
Lack of awareness about Ebola has fueled the outbreak in West Africa. Here, two Liberian women in Lofa read a pamphlet about how to prevent the spread of the virus.