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Yersinia enterocolitica is a species of gram-negative coccobacillus-shaped bacterium, belonging to the family Enterobacteriaceae. Primarily a zoonotic disease (cattle, deer, pigs, and birds), animals which recover frequently become asymptomatic carriers of the disease.
Additional recommended knowledge
Acute Y. enterocolitica infections produce severe diarrhea in humans, along with Peyer's patch necrosis, chronic lymphadenopathy, and hepatic or splenic abscesses. Additional symptoms may include entero-colitis, fever, mesenteric adenitis, erythema nodosum and acute terminal ileitis, which may be confused with appendicitis or Crohn's disease. See yersiniosis for further details.
Y. enterocolitica seems to be associated with autoimmune Graves-Basedow thyroiditis. Whilst indirect evidence exists, direct causative evidence is limited, and Y. enterocolitica is probably not a major cause of this disease, but may contribute to the development of thyroid autoimmunity arising for other reasons in genetically susceptible individuals. It has also been suggested that Y. enterocolitica infection is not the cause of auto-immune thyroid disease, but rather is only an associated condition; with both having a shared inherited susceptibility. More recently the role for Y. enterocolitica has been disputed.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Yersinia_enterocolitica". A list of authors is available in Wikipedia.|