The most common form of the plague in humans; characterized by chills, prostration, delirium and the formation of buboes in the armpits and groin; does not spread from person to person WordNet 3.0 & Open English WordNet

Bubonic plague is one of three types of plague caused by the bacterium Yersinia pestis. Wikipedia

Human and animal disease Wikidata

The best known manifestation of the plague which is caused by the bite of a flea infected with Yersinia pestis and leads to swollen and necrotic lymph nodes and finally death if untreated. OmegaWiki

A contagious, often fatal, epidemic disease caused by the bacterium Yersinia pestis, transmitted by the bite of fleas from an infected person or rodent, especially a rat, and characterized by delirium, chills, fever, vomiting, diarrhea, and the formation of buboes. Wiktionary

Disease caused by the bacterium Yersinia pestis. Wiktionary (translation)