These 1,500-Year-Old Teeth Prove the Bubonic Plague Isn’t Dead Yet

Their discovery links two of the deadliest pandemics in history

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McMaster University / AP

Graduate biology student Jennifer Klunk examines a bone sample at McMaster University's Ancient DNA Centre in Hamilton, Canada.

Researchers studying the teeth of two 1,500-year-old German victims of the Justinian plague have uncovered tiny bits of DNA that link the ancient disease to the deadly plague of just a few centuries ago.

By reconstructing the genome of the ancient bacteria, the scientists found that the Justinian Plague, which killed millions in the Byzantine Empire in the 6th Century, was caused by a strain of the same pathogen that led to the Black Death, which killed an estimated 50 million Europeans in just a few years in the 14th century. The researchers published their findings in the journal Lancet Infectious Diseases.

“What this shows is that the plague jumped into humans on several different occasions and has gone on a rampage,” Tom Gilbert, a professor at the Natural History Museum of Denmark, told the AP. “That shows the jump is not that difficult to make and wasn’t a wild fluke.” His point? The plague could happen again.

But it’s not as ominous as it sounds. Each year, there are several thousand cases of plague in humans across the world, usually spread by fleas on rodents that carry the bacteria. Scientists warn that will continue as human populations continue to infringe on rodent territory. While still deadly, modern epidemics have been much less devastating than ones hundreds of years ago.

[AP]

3 comments
BabuG.Ranganathan
BabuG.Ranganathan

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ehosier84
ehosier84

Did anyone actually think Y. Pestis was ever gone to begin with? Better sanitation, rodent control and antibiotics currently exist. Hyping up the possibility of another pandemic just winds people up and gets them all bent out of shape. Instead, why not focus on what will actually make a come back if some of these twits don't vaccinate their kids. I'm sure everyone would love a good Polio outbreak!

eagle11772
eagle11772

But as we all know, micro-organisms often evolve to develop a resistance to antibiotics and other medicines, so the yersinia pestis bacterium may one day do the same thing, thus making another plague pandemic possible.  Plague exists in the U.S. particularly in the hot, dry deserts of Arizona where I now live.