Tweet from Nat Geo Channel (@NatGeoChannel) - Nat Geo Channel (@NatGeoChannel) Tweeted:
More than 40 years after it was identified, the Ebola virus continues to defy drugs, treatment plans—and experts’ best efforts to solve its mysteries. https://t.co/qxSSH9eL9l (https://twitter.com/NatGeoChannel/status/1130503592325132288?s=17)

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