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Definition of Yersinia
1. Noun. A Gram-negative bacterium, of the genus ''Yersinia'', that is an etiological agent of several diseases in animals and humans. Notably ''Yersinia pestis'', which causes bubonic plague. ¹
¹ Source: wiktionary.com
Definition of Yersinia
1. a bacterium [n -S]
Medical Definition of Yersinia
1.