Drug companies step up Ebola vaccine race
US ebola procedures tightened for health workers
Aid ramps up for Ebola-hit countries
EU to create Ebola czar
Experts discuss Ebola crisis in Berlin
Are we losing the race against Ebola?
Ebola kills 70 percent of victims
The first US-based Ebola victim
Pilgrims return from Hajj to heightened Ebola screenings