DAKAR, March 24 (Thomson Reuters Foundation) - Scientists tackling an outbreak of Ebola in Guinea believe they have identified the virus as the Zaire strain, the most lethal of all that "raises the already high level of concern", according to France's Institut Pasteur.
At least 59 people have died after contracting a mystery illness in southeastern Guinea since early February. Six cases have been confirmed as Ebola, a haemorrhagic fever with a fatality rate of as high as 90 percent.
