News & Perspective

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.

Sierra Leone's western area is seeing intense Ebola activity, and in Guinea a surge of cases in one area propelled the country into its highest weekly case incidence so far.

The authors say the findings have proved useful in creating a more potent version.

The CDC director said Ebola outbreak conditions have improved since his first visit, but tough challenges remain.

In the first stop of a 3-day tour, the UN director warned against easing up on response efforts.

New information now indicates phase 2 trials will most likely start in Africa in February.

Case counts vary, but progress is being made toward the UN goal of isolating & treating, and safely burying where necessary, all Ebola patients.