Six individuals in Norway have fallen ailing in latest months with the supply of an infection considered contaminated uncooked milk cheese from France.
The foodborne outbreak was suspected to be attributable to Salmonella Dublin in chilled cheese made with unpasteurized milk.
The Norwegian Institute of Public Well being (Folkehelseinstituttet) investigated the outbreak with the Norwegian Meals Security Authority (Mattilsynet) and Norwegian Veterinary Institute.
Hyperlink made in affected person interviews
Early this yr, Norwegian officers detected a cluster of six sufferers with Salmonella Dublin infections. Salmonella Dublin is uncommon within the nation with usually not more than 5 infections reported yearly, based on well being officers.
Sufferers lived in 4 totally different counties. Their median age was 70 and a half years previous with a spread from 40 to 85 and half have been feminine. Symptom onset ranged from the top of December 2020 to starting of March this yr.
In interviews, 5 of six individuals stated they might have eaten uncooked milk cheese from France. No microbiological evaluation of cheese might be carried out as a result of there was no inventory left and the product is believed to now not be in the marketplace.
All six sufferers have been interviewed with a standardized questionnaire for Salmonella to get meals consumption historical past one week earlier than symptom onset. There was additionally a extra focused questionnaire with photos of various cheeses. Individuals have been additionally requested the place they purchased the totally different merchandise.
Based mostly on outcomes of affected person interviews and traceback data, uncooked milk cheese from France would be the supply of the outbreak, however given the small variety of confirmed circumstances and restricted data, officers have been unable to find out the hyperlink conclusively.
Dried product sampling outcomes
In the meantime, the Norwegian Meals Security Authority has printed findings of a survey on dried merchandise within the home market that have been analyzed for Salmonella.
The surveillance program in 2020 was executed to evaluate the sector following a Salmonella outbreak in 2019 the place 58 individuals turned ailing after consuming a mix of unique dried fruit.
Some merchandise have been able to eat meals which might be typically consumed with out warmth remedy. Salmonella survives for a very long time in dry meals and might be inconsistently distributed in them.
In whole, 543 samples of spices, dried berries, fruit and nut mixtures, and milk powder and dried toddler method have been collected and greater than 1,000 analyzes executed however no Salmonella was detected.
Samples have been taken randomly from throughout the nation and in any respect levels of the availability chain from importers and producers to retailers. Merchandise originated from many nations together with america, China, India, Thailand, Vietnam, Denmark, Sweden, and Turkey.
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