Cooling perspectives on the risk of pathogenic viruses from thawing permafrost
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Abstract
Climate change is inducing wide-scale permafrost thaw in the Arctic and subarctic, triggering concerns that long-dormant pathogens could reemerge from the thawing ground and initiate epidemics or pandemics. Viruses, as opposed to bacterial pathogens, garner particular interest because outbreaks cannot be controlled with antibiotics, though the effects can be mitigated by vaccines and newer antiviral drugs. To evaluate the potential hazards posed by viral pathogens emerging from thawing permafrost, we review information from a diverse range of disciplines. This includes efforts to recover infectious virus from human remains, studies on disease occurrence in polar animal populations, investigations into viral persistence and infectivity in permafrost, and assessments of human exposure to the enormous viral diversity present in the environment. Based on currently available knowledge, we conclude that the risk posed by viruses from thawing permafrost is no greater than viruses in other environments such as temperate soils and aquatic systems.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Cooling perspectives on the risk of pathogenic viruses from thawing permafrost |
| Series title | mSystems |
| DOI | 10.1128/msystems.00042-24 |
| Volume | 10 |
| Year Published | 2025 |
| Language | English |
| Publisher | American Society for Microbiology |
| Contributing office(s) | Geology, Minerals, Energy, and Geophysics Science Center |
| Description | e00042-24, 13 p. |