After a slew of likely contenders such as heart disease, anemia, thyroid disease, depression or a sleep disorder are ruled out, getting to the source of fatigue gets murky. Among the many next-tier suspects is the Epstein-Barr virus (EBV).
Indeed, 2.4 million of those at risk of famine were in southern Sudan, the main arena of the war. Southern Sudan occupies almost one third of the territory of Sudan, which at 2.5 million square kilometers is the largest country in Africa.
Since civil war broke out in December 2013, South Sudan has spiralled into a deeper state of emergency. It's a brutal conflict, steeped in claims of ethnic cleansing. A deadly hunger crisis reigns over parts of the country: It is the civilians, the women and the children who are paying the price.