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Outbreak of hepatitis A – two infected in Trøndelag

The case is being updated.

– None of the infected have traveled abroad. Based on where the infected people live, it is likely that they are infected through a food that is widely distributed, says senior adviser Heidi Lange at the Department of Infection Control and Emergency Preparedness at the National Institute of Public Health (NIPH).

In addition to the ten confirmed cases, two more people may be infected.

The infected are between 25 and 80 years old, most of them men and living in different parts of the country: Viken (6), Oslo (1), Trøndelag (2), Vestfold and Telemark (1), Innlandet (1) and Troms and Finnmark (1).

The Norwegian Institute of Public Health collaborates with the municipal health service and the Norwegian Food Safety Authority to map whether patients can have a common source of infection.

Hepatitis A is caused by a virus that can cause hepatitis. Symptoms include fever, vomiting, abdominal pain and eventually dark urine, light stools and jaundice. Some people go through the infection without symptoms, especially children. The severity increases with age, but most people recover completely.

Several outbreaks caused by imported frozen berries have previously been recorded. Such berries should be boiled for 1 minute before they are used in dishes that are not to be heat-treated, the Norwegian Food Safety Authority states.


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