A fluorescent image of a human body louse with Yersinia pestis infection — that's the cause of the plague — depicted in orange/red in the glands. The plague — which in the mid-14th century was also ...

Summer heat, check. Mosquitoes, check. Labor Day traffic, check. Now add fleas carrying typhus fever to things Southern Californians have to worry about this weekend. A report from the Los Angeles ...

Plague is no longer the human scourge it was during “The Black Death,” when it wiped out entire generations of medieval Europe and Asia. Nor does it pose the same threat it did when dense, unsanitary ...

(plague | National Institute of Allergy and Infectious Diseases) The plague — which in the mid-14th century was also known as the Black Death — devastated swaths of Europe, killing millions in under a ...

The mystery: How did bubonic plague spread so rapidly? Could rat fleas have done it all? A new study points the finger at lice as possible... The plague — which in the mid-14th century was also known ...

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