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Yersinia species

Stool bacteria - Yersinia

QuestionAnswer
The rat flea is the vector for which Yersinia species? Yersinia pestis
Which clinical form of Yersinia is known to be the cause of the plague epidemic? Yersinia pestis - pneumonic form
Does the plague still affect people today? If so, in what regions? Yes, the plague affects about 15 people a year in the Southwest US (New Mexico, Arizona, California).
What are the two forms of Yersinia pseudotuberculosis that occur in humans ? Fulminating septicemia and Mesenteric lymphadenitis
Which methods can be used to diagnose Yersinia? Observing bipolar staining (safety pin) with Wayson stain, observing a "bulls-eye" on CIN agar, and cold enrichment treatment.
What are the best treatment options for Yersinia? Aminoglycosides, Chloramphenicol, and Tetracycline
How does Y. enterocolitica compare to Y. pestis and Y. pseudotuberculosis on TSI? Y. enterocolitica is A/A instead of K/A like Y. pestis and Y. pseudotuberculosis because it ferments the sucrose in TSI.
Created by: rowleea