West Africa Ebola Strain May Have Existed Long Before Current Outbreak, Some Scientists Suspect

New York Times: Ebola Lying in Wait
“A growing body of scientific clues — some ambiguous, others substantive — suggests that the Ebola virus may have lurked in the West African rain forest for years, perhaps decades, before igniting the deadly epidemic that swept the region in the past year, taking more than 10,000 lives…” (Belluck/Broad, 4/20).