Telecomunicaciones y tecnología
Ebola case numbers top 20,000, deaths approach 8,000 - WHO
Cumulative case numbers in Sierra Leone, Liberia and Guinea stood at 20,081, the WHO said in a statement. More than a third are laboratory-confirmed cases in Sierra Leone, which has become the worst-hit country in the worst outbreak of the disease on record.
(Reporting by Tom Miles; Editing by Alison Williams)