The Norwegian Institute of Public Health has discovered an increased incidence of the gastrointestinal bacterium Yersinia enterocolitica O3. So far, infection has been detected in 10 people who live in several counties. Outbreak investigation has been initiated in collaboration with relevant municipal chief physicians, the Veterinary Institute and the Norwegian Food Safety Authority.
The National Institute of Public Health collaborates with the municipal health service, the Norwegian Food Safety Authority and the Norwegian Veterinary Institute to map whether patients can have a common source of infection. The patients are interviewed and the local Norwegian Food Safety Authority takes samples from food products in the homes of those who are infected, if residues are available, in order to identify the source of the outbreak if possible.
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