Members of the Abuja "Bring Back Our Girls" protest group sit during a march in continuation of the Global October movement. Once again, Boko Haram militants are implicated in killings and mass kidnapping in northeastern Nigeria. Afolabi Sotunde/Reuters/Landov hide caption

itoggle caption Afolabi Sotunde/Reuters/Landov

Najin, a female northern white rhino, gets a pat from keeper Mohamed Doyo. Najin, who lives at the Ol Pejeta Conservancy in Kenya, is one of only five of its subspecies left in the world. Ben Curtis/AP hide caption

itoggle caption Ben Curtis/AP

This design of this new anti-Ebola suit will make health workers more comfortable and could also save lives. Courtesy of Clinvue and Roy Heisler hide caption

itoggle caption Courtesy of Clinvue and Roy Heisler

Dr. Mohammed Arif helps treat a wounded patient at a field hospital in Kobani, Syria. Most of the clinics in this besieged Syrian border town are now in ruins. Only one still stands, its location kept secret lest it be targeted. Jake Simkin/AP hide caption

itoggle caption Jake Simkin/AP

Dr. Kent Brantly speaks about the world's response to Ebola during the Overseas Security Advisory Council's Annual Briefing in Washington, D.C. last month. Alex Wong/Getty Images hide caption

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Dr. Thomas Frieden, director of the U.S. Centers for Disease Control and Prevention, talks with Doctors Without Borders staff during a visit in August to an Ebola treatment center in Monrovia, Liberia. Tommy Trenchard for NPR hide caption

itoggle caption Tommy Trenchard for NPR

The Liberia-Guinea border has been closed since the early days of the Ebola outbreak. The Liberian city of Ganta — about a mile from the border — has historically been a hub of commerce, and was hit hard by the closure. John W. Poole/NPR hide caption

itoggle caption John W. Poole/NPR

A boy lies on a mattress on the floor of Redemption Hospital, a holding center for Ebola patients in Monrovia, Liberia. Michel du Cille/The Washington Post/Getty Images hide caption

itoggle caption Michel du Cille/The Washington Post/Getty Images

Ebola survivor Klubo Mulbah (center), a physician assistant who was infected by a patient, celebrates among friends and family on Sept. 24 in Monrovia, Liberia. She was among 15 Liberian patients who recovered from Ebola and were released from the ELWA 2 ebola treatment center. Michel du Cille/The Washington Post/Getty Images hide caption

itoggle caption Michel du Cille/The Washington Post/Getty Images