Uganda has launched a trial of a vaccine against the Sudan strain of the Ebola virus, following an outbreak in the country with three confirmed cases.The first patient, a 32-year-old male nurse, died 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.

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