Include:
Y. enterocolitica
Y. pseudotuberculosis
Colonise domestic animal.
V and W antigens are virulence factors.
Transmission by ingestion of contaminated mean (esp port).
Ulcerative lesions in terminal ileum
Necrotic lesions in Peyer's patches
Enlargement of mesenteric lympoh nodes.
Can have RLQ pain and leucocytosis -> indistinguishable from appendicitis clinically
Last 1-3 weeks.
Cultured on MacConkey or CIN agars
Motile when grown at 25 degrees, but not at 37 degrees.
Grows well at 37 degrees (not most of the other enterobacteriaceae)
Most are Lac-.
Serology test for anti-Yersinia antibodies
First line: Ciprofloxacin
Second line: Trimethoprim/sulfamethoxazole
Food hygiene and preparation.
Things to revise/add later:
Bibliography:
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Created | 20040401 |