A displaced family stand by their makeshift shelter at a United Nations compound which has become home to thousands of people displaced by the recent fighting, in the Jebel area on the outskirts of Juba, South Sudan on December 31, 2013.
The World Health Organization is warning of a looming risk of disease outbreaks in South Sudan, where violence has displaced more than 190,000 people since mid-December.
WHO said in a statement received Wednesday that there was a shortage of health care workers, with many fleeing their homes for safety in areas hit by violence.
Although the warring factions said on Tuesday they were ready to start peace talks mediated by Ethiopia, fighting persists in Jonglei, the country's largest state.
Foreign Minister Barnaba Marial Benjamin said on Wednesday that a government delegation would arrive in Ethiopia later on Wednesday for peace talks.
South Sudan's government insists unrest across the country started when forces loyal to former Vice President Riek Machar, who now commands renegade forces, mounted a failed coup attempt on December 15.