As temperatures continue to rise, scientists are warning of an alarming new threat posed by global warming: time-traveling pathogens that have been frozen in permafrost for centuries or even millennia. As the permafrost melts, these ancient microbes and viruses are being released into the environment, where they can cause serious health issues for humans and animals alike. In some cases, these pathogens can be so virulent that they can even lead to death. The potential for widespread infection is a very real concern, and scientists are working hard to understand the scope of the problem and develop strategies to mitigate the risks.

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source: Phys.org