Tracing the Ebola Outbreak, Scientists Hunt a Silent Epidemic
  By SHERI FINK
  Researchers mapping the virus’s spread are tracking tiny mutations in its gene sequences across nations to help explain the epidemic.
  Published: May 5, 2015 at 08:00PM
  from NYT Health http://ift.tt/1c1995p
  Tracing the Ebola Outbreak, Scientists Hunt a Silent Epidemic SHERI FINK Researchers mapping the virus’s spread are tracking tiny mutations in its gene sequences across nations to help explain the epidemic. http://ift.tt/1c1995p http://ift.tt/1OXnlyr Health The New York Times May 5, 2015 at 08:00PM