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TIME's The Brief TIMEnewsbrief

The Ebola Virus Is Mutating

“We’ve now seen several cases that don’t have any symptoms at all, asymptomatic cases,” said human geneticist Dr. Anavaj Sakuntabhai. “These people may be the people who can spread the virus better, but we still don’t know that yet. More From The Brief: #FullNewsAudioAvailable


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