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Scientists have previously revived ancient bacteria and prehistoric viruses that had been trapped. Scientists have a long record of resurrecting prehistoric viruses and ancient bacteria frozen in ice. However, as the climate crisis is melting ancient ice sheets worldwide, experts are growing concerned that prehistoric viruses could pose a risk to humanity. Other research has found 28 prehistoric viruses dating back 15,000 years in frozen ice cores. It's very difficult to keep samples pristine when extracting ancient ice, and even more difficult to conclusively date the ice.
Persons: Lonnie Thompson, Jean, Michel Claverie, it's, Birgitta Evengård, It's, hadn't Organizations: Service, Privacy, The Ohio State University, Byrd, Climate Research, Umea University, CNN Locations: Yao, Tibetan, French, Antarctica, Russia
Scientists revived a 48,500-year-old 'zombie' virus from permafrost and found it was still infectious. Some scientists are concerned that climate change thawing permafrost could reawaken ancient viruses. A carcass of an Ice Age cave bear found on Great Lyakhovsky Island, in northern Russia, unearthed by thawing permafrost. How 'zombie' viruses could infect hosts once they emergeThis isn't the first time Claverie has revived ancient viruses, or "zombie viruses" as he calls them. The current research on frozen viruses like Claverie's 'zombie' virus is helping scientists understand more about how these ancient viruses function and whether, or not, they could potentially infect animals or humans.
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