General information, not a diagnosis Method and limitations

Fact sheetBacteria

Yersiniosis

Yersiniosis is a digestive infection often associated with raw or insufficiently cooked pork. Events vary according to age.

Documentary Enrichment: · General information

Essentials

Digestive infection often associated with raw or insufficiently cooked pork, unpasteurized milk or contaminated water.

Agent
Yersinia enterocolitica
Transmission or exposure
Water and food · Animal / zoonosis

Situation and vulnerability

Children are more affected. Hands after pork preparation can contaminate objects or foods of a small child.

Signs and limits of their interpretation

In the little child, fever and sometimes bloody diarrhea are possible. In older adults, pain on the right side of the abdomen may evoke appendicitis.

Diagnosis and monitoring

A laboratory test confirms the infection. Significant abdominal pain should be evaluated, without choosing between yersiniosis and appendicitis.

Official sources consulted on . Documentary summary, without medical rereading.

Check these markers in the CDC reference →

Prevention and care

Cook the pork properly and wash your hands before touching bottles or toys. Preserving hydration; antibiotics are not systematic.

Practical issues

Is it necessary for the child to eat pork to be exposed?

No: contamination of the hands after preparation of a raw product may be sufficient to contaminate the environment. Prevention also concerns adults who prepare meals.

Preparing for an exchange with a professional

  • Pork and food products handled
  • Pain, side and evolution
  • Diarrhoea and drinking capacity

Bring the full minutes and dates. This information facilitates evaluation; its collection must not delay an urgent appeal.

Individual decisionThe choice of a test, treatment or prevention depends on the local situation and recommendations. In case of distress, call 911.
A clean kitchen table with drinking water, washed produce and a clean chopping board. AI-generated illustration.
Prevention illustration — Yersiniose — A clean kitchen table with drinking water, washed produce and a clean chopping board.
Image generated by artificial intelligence. AI illustration; it does not depict a disease, biological agent or diagnosis.

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Related fact sheets

These sheets share ways or contexts of exhibition in our catalogue. This reconciliation does not establish a differential diagnosis.

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Further reading

These publications help you verify the concepts discussed. Disease records and directory entries each identify their sources.

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