Animals such as rats can carry the bacterium that causes plague (Alamy/PA) ...

A person in Arizona recently died of pneumonic plague—a rare and severe form of the disease. An expert explains how the ...

The patient had the pneumonic plague, the rarest and deadliest form of the disease. Human cases remain very uncommon in the ...

Septicemic plague occurs if bubonic plague is left untreated, or it can occur directly if the disease enters the bloodstream.

The resident died from pneumonic plague, the first such death in Coconino County, Ariz., since 2007, the county said.

An Arizona resident has died from pneumonic plague, a rare but highly dangerous lung infection, Coconino County health ...

A change to a single gene in the bacterium Yersinia pestis has enabled one of the world’s most notorious pathogens to survive for centuries.

Amid a prairie dog die-off near Flagstaff, one person in Northern Arizona has died from the plague after being hospitalized with severe symptoms.

An Arizona resident died within 24 hours of showing plague symptoms, confirmed to be caused by Yersinia pestis, following a ...

Alterations to a single gene in the plague bacterium's genome have shed light on a method the germ has used to survive and spread through the ages.

Another plague outbreak emerged in China in the 1850s and sparked a major epidemic in 1894. Scientists view modern plague cases as part of this third pandemic.

An outbreak of bubonic plague from 1347 to 1352 in Europe famously killed about 30% to 50% of the continent’s population.