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Study shows Ebola virus in Sierra Leone mutated at a normal rate
Study shows Ebola virus in Sierra Leone mutated at a normal rate

A new genetic analysis of the Ebola virus suggests that it has evolved considerably since its introduction into Sierra Leone in 2014 -- but that its rate of change has been similar to that observed in earlier outbreaks. The report, published Wednesday in the journal Nature, described 175 complete Ebola genome sequences generated from virus samples in patients. The samples were collected between Sept. 28, 2014, and Nov. 11, 2014, from people in five severely-affected districts in Sierra Leone, the country with the largest number of confirmed Ebola cases in the current outbreak. While another team of scientists completed an initial analysis of the viral genome earlier last year,...

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