The health facilities and infrastructure put in place to help Sierra Leone, Liberia, and Guinea contain the Ebola virus disease epidemic should form the basis of a new health system, the World Health Organization has urged. At a high level meeting on building resilient health systems at WHO’s headquarters in Geneva, many delegates said that the equipment and resources provided by non-government...

The 2014 epidemic of the Ebola virus is governed by a genetically diverse viral population. In the early Sierra Leone outbreak, a recent study has identified new mutations that generate genetically distinct sequence clades [1]. Here we find evidence that major Sierra Leone clades have systematic differences in growth rate and reproduction number. If this growth heterogeneity remains stable, it ...