Dr. Tsion Firew at her home in Kigali, Rwanda, on Oct. 3. A year ago, Rwanda announced the country's first Marburg outbreak — a deadly virus that's a cousin to Ebola. Firew, who is chair of emergency medicine at Africa Health Sciences University in Rwanda, was afraid for herself and her kids. She sent them away, updated her life insurance — and helped quash the outbreak. (NPR)
