IDP's (Internally displaced persons) queue to register at the UNMISS Protection of Civilian (POC) site in Bentiu, Unity State, on February 27, 2015. The camp receives up to 200 new IDP each day, due to lack of services in the town. The World Health Organization today  appealed for 1.0 billion USD in additional funds to help provide life-saving health services to millions in need in conflict-ravaged Syria, Iraq, Central African Republic and South Sudan. For South Sudan, which has been wracked by fighting since an alleged attempted coup in December 2013, 90 million USD is needed to provide vital health services to some 3.35 million people, WHO said.  AFP PHOTO / CHARLES LOMODONG        (Photo credit should read CHARLES LOMODONG/AFP/Getty Images)