It is the sixth time Uganda has been hit by an outbreak of the Sudan strain of the virus, for which there is no approved vaccine. Of the five other Ebola species, just one has licensed vaccines.

This is Uganda's sixth outbreak of Ebola Sudan, which causes severe hemorrhagic fever disease with a case fatality rate of up to 50%. No licensed vaccines or therapeutics are available for Ebola ...

Uganda has begun a trial vaccination programme for the strain of Ebola viral infection that is behind the country's latest ...