Yersinia pestis bacteria. Coloured scanning electron micrograph of Yersinia pestis bacteria (yellow) on the spines of an oriental rat flea (Xenopsylla


Yersinia pestis bacteria. Coloured scanning electron micrograph of Yersinia pestis bacteria (yellow) on the spines of an oriental rat flea (Xenopsylla cheopis). This Gram-negative bacteria is the causative agent of bubonic plaque (the Black Death). It also causes pneumonic and septicaemic plagues. The oriental rat flea is a parasite of rodents and the primary vector of bubonic plague. Magnification unknown.


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Photo credit: © NATIONAL INSTITUTES OF HEALTH/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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