A team from the French National Centre for Scientific Research said further work needs to be carried out to assess what dangers could lie ahead from the risk of viruses in permafrost as climate change causes frozen landscapes to melt.
One of the viruses had remained infectious after more than 48,500 years in deep permafrost, according to the study led by microbiologist Jean-Marie Alempic from the French National Centre for Scientific Research.
The team from the French National Centre for Scientific Research said further work needs to be carried out to assess what dangers could lie ahead from the risk of viruses in permafrost as climate change causes frozen landscapes to melt
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