After the first Ebola death in Uganda in years, a senior health official says authorities in the African nation are "in full control of the situation."

Test results on the sick people are pending, and a top WHO official said the outbreak response is proceeding rapidly.

Uganda has confirmed an outbreak of the Ebola virus in the capital Kampala with the first confirmed patient dying from it on Wednesday, the health ministry said on Thursday. It is the East African country's ninth outbreak since it recorded its first infection of the viral disease in 2000.

Ugandan authorities have begun a clinical trial of a vaccine against the Sudan strain of Ebola that has killed one person in the outbreak declared last week.

Uganda has begun a clinical trial of a vaccine against the Sudan strain of Ebola following an outbreak that has killed one nurse in the east African country.

Uganda has begun a trial vaccination programme for the strain of Ebola viral infection that is behind Sudan's latest outbreak, according to the World Health Organization (WHO), while the number of confirmed cases has risen to three.

Ugandan officials are preparing to deploy a trial vaccine as part of efforts to stem an outbreak of Ebola in the capital, Kampala.

WHO said candidate vaccine as well as candidate treatments are being made available through clinical trial protocols to further test for efficacy and safety