South Sudan 2012 © John Stanmyer/VII
An MSF doctor admits a child to MSF’s hospital in Yida. MSF has been working in Yida since refugees began arriving, and MSF epidemiological teams have gathered data showing that in June, 82 percent of the families in the camp had a family member who had fallen ill—and that at least five children under the age of five died each day, mostly from diarrhea and severe infections.