Yersiniosis – Norway

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15 cases of Yersinia infections in Norway have been recorded since mid-April from a possible food product. 5 cases are in Trøndelag, 3 cases in Viken and Vestland, 2 cases in Rogaland, and 1 case each in Møre og Emsdal and Vestfold og Telemark.

Yersiniosis is caused by the bacterium Yersinia entercolitica and the symptoms include diarrhea, fever, and abdominal pain. Symptoms usually arise 4 to 7 days after exposure and can last from 1 to 3 weeks.

The patients are between 16 and 54 years old and two thirds of the patients are women.

An investigation by the Veterinary Institute and Norwegian Food Safety Authority has been started and have taken samples from food products in the homes of those who are infected.

Photo: Computer generated image of Yersinia enterocolitica.

Yersiniosis is an infectious disease caused by a bacterium of the genus Yersinia. Most infections among humans are caused by Yersinia enterocolitica. The infection mostly contracted through the consumption of undercooked meat products, raw vegetables, unpasteurized milk, or water contaminated by the bacteria.

Yersiniosis is usually self-limiting and does not require treatment.

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