It would be a mistake to underestimate the risk posed by the Ebola outbreak, the WHO regional director for Africa said on Friday, warning that just one

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

Rwandan authorities have intensified health screenings and tightened movement along the border with the Democratic Republic of Congo as a deadly Ebola outbreak linked to the rare…