Norwegian health officials are investigating the reasons behind a spike in Salmonella cases, which have sickened more than 30 people. The Norwegian Institute of Public Health (FHI) said the number of people infected with Salmonella typhimurium has increased in recent months. So far this year, 33 people have fallen sick.
Patients live all over the country and come from all age groups. Most are thought to have been infected in Norway and are not travel-related. Search for contaminated sources.
With help from the Norwegian Food Safety Authority (Mattilsynet) and the Veterinary Institute, FHI has started enhanced monitoring of all confirmed cases of Salmonella Typhimurium. Some ill people will be interviewed so officials can try to find out if there is a common source of infection. The Norwegian Food Safety Authority is collecting information from several sick people about what they ate and their contacts before falling ill.
Outbreaks of Salmonella are rare in Norway. The incidence is lower among Norwegian livestock and domestically produced food, but imported foodstuffs from countries where Salmonella is more common can pose a risk of infection. In 2023, Norway had three Salmonella outbreaks that affected 14 people.
A Salmonella Kintambo outbreak with five cases was traced to sesame seed products from Syria. This is part of a multi-year and multi-country incident. Imported leafy vegetables were suspected in a Salmonella Napoli outbreak with seven patients.
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