Scientists have discovered -- and revived -- 'zombie viruses' that have been frozen in permafrost for 48,500 years.
March 10, 2023 – Of all the consequences of climate change, here’s one nobody counted on.discovered and revived 13 types of prehistoric viruses
The first question is obvious: This is fascinating, but is it a good idea? We’re still dealing with a certain mutating virus our immune systems have never encountered before.The quick answer: The viruses observed here were only able to infect amoebae. But viruses that can infect humans do indeed exist in environments like permafrost.
“From our research, we can deduce that other viruses present in the permafrost are likely still infectious,” says Claverie. “By sequencing the total DNA, we can detect the presence of viruses similar to those infecting animals or humans today.” “There is a small risk that a frozen virus that gets unearthed is able to start an infection chain that ends up in humans,” says, PhD, an immunologist and senior group leader at the Babraham Institute, a life sciences research institute at the University of Cambridge in the United Kingdom. Liston was not involved in the research discussed here. “On the one hand, we would not have preexisting immunity against it, so the initial ability to combat the infection is low.
Some random frozen microbe is unlikely to impact us directly, but if it does, it is far more likely to be bad, Liston says.
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