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Ebola
Ebola virus not mutating as quickly as feared
Ebola virus not mutating as quickly as feared

Throughout the Ebola epidemic in West Africa, health officials have feared that widespread transmission would give rise to an even more virulent and contagious form of the virus. However, new research published Thursday in the journal Science suggests that the virus is undergoing only limited mutational changes, and is no more virulent than when the outbreak began. "Despite the extensive and prolonged human-to-human transmission in this outbreak, the virus is not mutating at a rate beyond what is expected," wrote lead study author Thomas Hoenen, a virologist at the National Institute of Allergy and Infectious Diseases, and colleagues. The conclusion comes as a bit of a...

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