Israeli researchers have developed a new vaccine that is “100% effective” against bacteria that is deadly to humans. The announcement came from Tel Aviv University, which teamed up with the Israel ...

Pneumonic plague occurs when plague bacteria enter the lungs. It is the only form of plague that can spread between people. Symptoms may include headache, fever, and rapidly developing pneumonia.

Bubonic plague is an infectious disease that causes swollen, painful lymph nodes. It caused the deaths of more than 25 million people in the 14th century. The disease still occurs in many parts of the ...

The bubonic plague has cropped up in Oregon for the first time in nearly a decade. This time a person likely caught it from their cat, health officials in the central part of the state said last week.

In a recent study published in the journal PLOS Biology, researchers adapt a strain of human body lice to a membrane feeder to study its infection dynamics with Yersinia pestis, the causative agent of ...

Ancient DNA recovered from cemeteries in southeast Siberia has revealed previously unknown strains of plague that had a deadly impact on an unexpected group of people 5,500 years ago. The early plague ...

The plague — which in the mid-14th century was also known as the Black Death — devastated swaths of Europe, killing millions in under a decade. One of the puzzles surrounding this ancient pandemic was ...

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Scientists have long debated whether human body lice might have helped drive the rapid spread of the bacteria responsible for the deadly plague in the Middle Ages, known as the Black Death. It’s clear ...