As the world warms and glacier melt continues, the Arctic could become 'fertile ground' for new viral pandemics, with climate change increasing the risk of the next Ebola, influenza, or SARS-CoV-2 arriving sooner rather than later.
contextualize the viruses with animal, plant, and fungi hosts present in the area, the team was able to figure out the viral spillover risk: that is, the ability for viruses to flood into new host species and keep spreading, as SARS-CoV-2"Spillover risk increases with runoff from glacier melt, a proxy for climate change," write the researchers in their"Should climate change also shift species range of potential viral vectors and reservoirs northwards, the High Arctic could become...
The researchers compared the evolutionary path of both viruses and hosts, looking for variations and similarities between the two – comparisons that suggest the possibility of a change to the status quo and subsequent viral spillover. "From an evolutionary standpoint, viruses are more prone to infecting hosts that are phylogenetically close to their natural host, potentially because it is easier for them to infect and colonize species that are genetically similar," the researchers explain
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