Tag Archive | "Viruses"

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Sierra Leone Celebrates The End Of The Ebola Outbreak

After a year and a half since the first case was reported in the West African country, Sierra Leone has been declared Ebola free, 42 days after the last case was cleared. The announcement is one further step forward in the fight against the 2014 outbreak.


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The Hepatitis virus is 19 million years old [Evolution]

The ancient origins of Hepatitis are coming to light, thanks to virus fragments locked in the genomes of modern songbirds. A "fossilized virus" isn't one embedded in rocks, but rather in the DNA of the host, and this is the first-ever hepatitis-family virus discovered. It was found in the same location in the genomes of five different species of songbird. These birds can be traced to a single ancestor species some 19 million years ago, which pushes back the known age of the virus family by orders of magnitude. The fossilized version is also remarkably similar to current Hepatitis B, implying that it has a slower rate of mutation than previously thought. More »

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