Yersinia pestis is a type of disease-causing bacteria that causes all three forms of plague — bubonic, septicemic, and pneumonic. Bubonic plague is widely known as the disease behind the ...

Officials said a sudden die-off of prairie dogs and rodents could be an indicator of the plague, an infectious disease that ...

A study of the genetic basis of plague immunity in prairie dogs has broad implications for conservation. From white-nose ...

FILE - Dark stained bipolar ends of Yersinia pestis can be seen in this stain of blood from a plague victim, 1993. (Photo by Smith Collection/Gado/Getty Images).

In Oregon, a cat recently gave its owner bubonic plague. What is bubonic plague, what’s the cure, and other things to know.

Yersinia pestis is a gram-negative bacterium that causes plague, and its life cycle begins within an insect, mainly rodent fleas. The flea then bites a mammalian host, transmitting the bacteria.

New research by geneticists hints at the deadly work of Yersinia pestis 5,000 years ago. By Franz Lidz At the end of the Stone Age, some 5,300 years ago, the populations of Scandinavia and ...

Since the catastrophic pandemics of the Middle Ages, one disease has almost proverbially symbolized contagion and death: the plague. It is now known that the plague bacterium Yersinia pestis has ...

Yersinia pestis itself is a bacterium with some deep historical roots and has caused three major pandemics in recorded human history. The Plague of Justinian in the mid-500s is the first recorded ...

FILE - Dark stained bipolar ends of Yersinia pestis can be seen in this stain of blood from a plague victim, 1993. (Photo by Smith Collection/Gado/Getty Images).

Pneumonic plague is a form of plague that results from Yersinia pestis infection. This article explores its causes, symptoms, and treatment in more detail.