KINSHASA, Sept. 19 (Xinhua) -- Ebola vaccination was expanded Saturday to Ituri Province, the epicenter of the outbreak in eastern Democratic Republic of the Congo (DRC), with more than 3,700 people having received the Ervebo vaccine in the country. The latest phase comes with the launch of a vaccination study known as BRAVO in Bunia, the capital of Ituri, conducted by Medecins Sans Frontieres (MSF) in collabora