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Frozen 30,000-year-old giant virus still infectious

A 30,000-year-old giant virus discovered deep in the Siberian permafrost is still functional and capable of infecting its host, researchers have found.

30,000-year-old giant virus comes back to life in French lab

A large ancient virus that lied dormant in the Siberian permafrost for at least 30,000 years has sprung back to life after French scientists revived it in the laboratory.