To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Up Next Previous Page Next PageFear is growing that the devastating Ebola outbreak could be mutating as cases surge. Over 1,800 people have died in the latest outbreak, and more than 4,000 cases have been logged as of August 5, according to the US Centers for Disease Control. Uganda has recorded 20 cases and two confirmed deaths linked to the outbreak before the spread was brought under control. France saw its first-ever confirmed Ebola case after a doctor returning from a humanitarian mission in the DRC was admitted to a specialist facility in June. The disease, caused by the Ebola virus, sometimes known as Ebola haemorrhagic fever, is a rare but severe and often fatal illness that can affect humans and primates.