Sierra Leone burial practices likely helped fuel ongoing virus transmission.
Interim report lays out 14 principles to guide the process of providing vaccines.
Recent global health emergencies like Ebola outbreak have shone a spotlight on WHO limits to quickly respond.
High-level meeting in Geneva says large phase 3 trials in West Africa to test efficacy and safety are next up.
UN officials meet with local leaders in Liberian hot spot.
The Ebola situations in the three hardest-hit countries continue to reflect a mixed picture.
The trial of a Johnson & Johnson vaccine brings the number of Ebola vaccines in such trials to three.
As deaths top 8,000, UNMEER leadership changes hands, and Guinea launches a new effort.
The country has had 337 new cases this week, twice the number in Guinea and Liberia combined.
Bats in a hollow tree and a silent train of transmission may have fueled the unprecedented epidemic.
