Yersinia pestis

Yersinia pestis definition - medical

Yersinia pes·tis (pĕsˈtĭs)

noun
A bacterium that causes plague and is transmitted from rats to humans by the rat flea Xenopsylla cheopis. Also called Pasteurella pestis.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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