Discovery in Siberia suggests bacterium from raw marmots devastated hunter-gatherer tribes about 5,500 years ago The earliest evidence for an outbreak of plague has been uncovered at late stone age cemeteries in south-eastern Siberia where dozens of hunter-gatherers and their children were buried...
Source: [Guardian World](https://www.theguardian.com/science/2026/jun/17/ancient-dna-evidence-earliest-known-plague-outbreak)