Government says it needs to use more of the resource to help its people, but countries downstream see that as a problem.
The first confirmed infection in Yemen was announced last week.
Leaders attended the 33rd African Union summit in the Ethiopian capital, Addis Ababa.
Leaders gather in Ethiopia’s capital ahead of the annual African Union summit, and the Libya conflict is high on the agenda.
Fears of a serious escalation increased after the arrest of the commander of the presidential guard and his deputy, both loyalists of former President Abdul Aziz.
Thousands demonstrate against proposed constitutional amendments, which they say would allow President Alpha Conde to run for a third term.
Protesters chant pro-Pakistan slogans and demand an end to what they describe as Indian occupation of their territory.
Wrecked by decades of economic mismanagement and civil war Sudan has $52bn in foreign debt and high unemployment.
Women in Sudan make up more than 50 percent of the population, and have played a key role in the recent uprising that led to the end of the rule of Omar al-Bashir.
Hundreds of villages in 6 federal states across Sudan have been evacuated.