New Clues Emerge On Ebola’s Spread In West Africa, As Scientists Trace Viral Gene Mutations

New York Times: Tracing the Ebola Outbreak, Scientists Hunt a Silent Epidemic
“Scientists are using blood samples collected throughout the Ebola outbreak to map the virus’s spread from country to country by tracking tiny mutations in its gene sequences…” (Fink, 5/5).

PBS Frontline: New Clues Emerge On How Ebola Spread through West Africa
“Last year, Sheri Fink, a reporter for the New York Times, spent weeks reporting in West Africa, trying to find out where the Ebola outbreak came from, and how it spread. … Follow Fink’s investigation in the video below, and read her latest story on scientists’ efforts to map the spread of the virus here” (Childress, 5/5).