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.

The U.S. Centers for Disease Control and Prevention on Thursday warned doctors and other healthcare workers about an outbreak of Ebola cases in Uganda. The agency said although no cases have been reported in the U.

The World Health Organization's emergencies director on Friday praised the "fastest roll-out" of an Ebola vaccine trial in the midst of an epidemic, as Uganda responded to its latest outbreak.

U.S. health officials advise Americans traveling to Uganda to take enhanced precautions due to an Ebola outbreak

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.