Unknown viruses in melting permafrost
![](https://dfi.univet.hu/wp-content/uploads/2023/03/AdobeStock_247186043-1024x683.jpeg)
A team of Russian, German and French researchers have extracted and studied viruses from Siberian permafrost. Based on the study, scientists have re-animated 13 new pathogens, which they have dubbed "zombie viruses".