When a mysterious illness struck a remote village in what is now the Democratic Republic of the Congo in 1976, young doctor Jean-Jacques Muyembe helped identify a virus the world had never seen before. Nearly 50 years later, he remains at the forefront of the country's fight against Ebola.

MONGBWALU (DR Congo), June 14 — By the time the truck pulled away from the morgue in Bunia, the morning heat hung heavily over the road to Mongbwalu.The body of a 44-year-old...

Feature: In rebel-held eastern DR Congo, a quieter Ebola front struggles to stay ahead of the virus-