Ebola — Nigeria
Scientists have theorized that the Makona strain responsible for the massive 2014-2015 Ebola outbreak might have been more virulent — meaning it might have become more dangerous as it infected more people — than earlier known strains.
The study
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To test that theory, Feldmann’s group infected some mice and macaques with the Makona strain and others with the Mayinga strain, from the 1st known Ebola epidemic in 1976.
The finding
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The Makona viruses — even those
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