Fossilized Flea May Hold Ancestor Bacteria of the Black Death

Article

A 20-million-year-old flea preserved in amber harbors the likely ancestor of bacteria that caused one of the world’s deadliest plagues, the Black Death, according to a new study.

Researchers believe the bacteria, described in the Journal of Medical Entomology, was an ancient strain of Yersinia pestis, which caused the bubonic plague, aka the Black Death. More than a third of Europe’s population - at least 30 million people - succumbed from the scourge in the 14th century.

To read further in Discover News, CLICK HERE.

Source: Journal of Medical Entomology

Newsletter

Stay prepared and protected with Infection Control Today's newsletter, delivering essential updates, best practices, and expert insights for infection preventionists.

Recent Videos
Jill Holdsworth, MS, CIC, FAPIC, NREMT, CRCST, CHL, an infection preventionist from Atlanta, Georgia.  (Photo credit: Tori Whitacre Martonicz)
"Top 5" in a blue ribbon  (Adobe Stock 235182652 by Evgeny)
Bug of the Month
© 2025 MJH Life Sciences

All rights reserved.