LONDON, ENGLAND - OCTOBER 2: British actor Idris Elba speaks to the media ahead of the "Defeating Ebola: Sierra Leone" conference at Lancaster House on October 2, 2014 in London, England. Britain hosted an international conference today to help organise the fight against Ebola in its former colony Sierra Leone, as a charity warned that five people were becoming infected every hour in the West African nation. (Photo by Leon Neal - WPA Pool/Getty Images)