{"id":15777,"date":"2026-06-17T18:01:53","date_gmt":"2026-06-17T18:01:53","guid":{"rendered":"https:\/\/siliconvalleymovingpost.com\/?p=15777"},"modified":"2026-06-17T18:01:53","modified_gmt":"2026-06-17T18:01:53","slug":"ancient-teeth-from-siberia-rewrite-the-plagues-timeline-dating-back-to-over-5500-years-ago","status":"publish","type":"post","link":"https:\/\/siliconvalleymovingpost.com\/?p=15777","title":{"rendered":"Ancient teeth from Siberia rewrite the plague\u2019s timeline, dating back to over 5,500 years ago"},"content":{"rendered":"
\n

By ADITHI RAMAKRISHNAN, AP Science Writer<\/strong><\/p>\n

NEW YORK (AP) \u2014 Scientists have found the oldest known evidence of the plague, which sparked deadly outbreaks dating back about 5,500 years ago \u2014 some 200 years earlier than previously thought.<\/p>\n

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The disease has sickened humans for thousands of years and wiped out a significant chunk of Europe\u2019s population in the 14th century during what\u2019s known as the Black Death. Though rare, the plague is still around today and is treated with antibiotics.<\/p>\n

\u201cTo understand our own history, we believe that understanding the history of plague is extremely important,\u201d said study co-author Eske Willerslev, an evolutionary geneticist with the University of Copenhagen in Denmark.<\/p>\n

Willerslev and other researchers looked for traces of plague-causing bacteria in remains from four cemeteries near Siberia\u2019s Lake Baikal. They found remnants of plague DNA in teeth from 18 ancient hunter-gatherers.<\/p>\n

Dating the carbon in the bones revealed that the plague triggered two outbreaks, with the first cases detected around 5,500 years ago.<\/p>\n

The team found that the prehistoric plague developed in stages and infected several small families. It likely spread from marmots \u2014 large native rodents \u2014 when people ate their raw organs or touched infected hides during butchery. The disease also traveled between people through coughing and sneezing, the authors said.<\/p>\n

Many of those who died were young children aged 8 to 11. Three young girls were buried side by side, two of whom were likely cousins. An aunt and nephew were found together, but her niece was in a different shared grave, according to the study published Wednesday in the journal Nature.<\/p>\n

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\n<\/div>\n

\u201cPeople were around to bury the dead who knew who these people were when they were alive. And that\u2019s a really human element to all of the scientific work,\u201d said study co-author Ruairidh Macleod, who studies ancient DNA at the University of Oxford.<\/p>\n

Kids may have been at greater risk because their immune systems weren\u2019t as strong, researchers said.<\/p>\n

The presence of multiple victims suggests that the prehistoric plague was capable of causing both individual cases and outbreaks, said geneticist Aida Andrades Valtue\u00f1a with the Max Planck Institute for Evolutionary Anthropology. She had no role in the study.<\/p>\n

Researchers found that this type of ancient plague evolved long before bubonic plague, which was responsible for the Black Death that struck medieval Europe. But there\u2019s evidence that earlier plagues were just as deadly. The disease decimated not only crowded cities, but also small, nomadic hunter-gatherer groups.<\/p>\n

\n<\/div>\n

Knowing this can help us \u201cunderstand the steps that the bacterium took to become the deadly pathogen we know today, and that can provide clues on how pathogens may emerge in the future,\u201d Andrades Valtue\u00f1a said in an email.<\/p>\n

The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute\u2019s Department of Science Education and the Robert Wood Johnson Foundation. The AP is solely responsible for all content.<\/em><\/p>\n

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Scientists have found evidence of the oldest known plague, dating back about 5,500 years ago \u2014 some 200 years earlier than previously thought.<\/p>\n","protected":false},"author":1,"featured_media":15776,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-15777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"\nAncient teeth from Siberia rewrite the plague\u2019s timeline, dating back to over 5,500 years ago - Silicon Valley Moving Post<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/siliconvalleymovingpost.com\/?p=15777\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ancient teeth from Siberia rewrite the plague\u2019s timeline, dating back to over 5,500 years ago - 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