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Flashcards in Yersinia Deck (7):
1

What serotypes of Yersinia are most common among human isolates?

O:3, O:9, and O:5,27

2

What is meant by "biotyping"

See slide 4, with "biotyping" header

3

What is notable about the growth temperatures of Y. enterocolitica?

it is a psychrotroph, capable of growing at refrigeration temperatures

4

What foods are most commonly contaminated by Y. enterocolitica

See slide 6-7 for the answer, but remember pork and pork products are rather common.

5

What is unusual about the disease caused by Y. enterocolitica?

It can resemble appendicitis

6

When is Yersinia mobile?

When the temperature is below 30 C

7

Why do some health professionals mistake a Yersinia infection for appendicitis?

It has very similar symptoms, causing swelling of the lymph nodes, and since Yersina infections are so uncommon health professionals usually think it's appendicitis.