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

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.

Health authorities in Uganda say Ebola cases in the country have risen to nine while 265 other people are being monitored under quarantine.

The number of confirmed Ebola cases in Uganda has risen to nine from three, the country's health ministry said.

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

Nine people were confirmed to have Ebola virus in Uganda and around 265 others are being monitored under quarantine, health authorities have said. The nine include the first victim, a male nurse who died the day before the outbreak was declared on January 30.