Pithovirus Sibericum Awoke From Permafrost

In 2014, scientists found a giant 30,000-year-old virus preserved in Siberian permafrost. The virus, Pithovirus sibericum, remained infectious after tens of thousands of years and began killing amoebas in laboratory tests. Researchers said it did not infect humans or animals, but the discovery raised concerns about what melting permafrost could expose.

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