The outbreak has alarmed experts because it was able to spread for weeks undetected across a densely populated area ravaged by widespread armed violence.

An Ebola virus outbreak in the Democratic Republic of the Congo and Uganda has surpassed 500 suspected cases, WHO’s top official said Tuesday.Of those suspected cases, 130 people…

The head of the WHO said he was "deeply concerned by the scale and speed of the epidemic."

Ebola deaths in DR Congo have risen to 118 as the outbreak spreads into new regions and neighbouring Uganda, prompting the WHO to declare an international health emergency