The 'Undead' Pathogen: How a Persistent Salmonella Strain Haunted Sweden's 2025 Food Supply

Key points

• The 2025 Salmonella outbreak in Sweden affected 118 people across 14 regions and was linked to a single laying hen farm with a history of contamination.
• Whole-genome sequencing proved the 2025 strain was identical to pathogens found in 2022 and 2024, highlighting a failure in traditional decontamination methods.
• The persistence of the strain suggests significant legal and financial liability for producers who fail to eradicate known hazards from their facilities.

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Sources and methodology

Reported from the public datasets below.

• Federal Trade Commission (FTC) - FTC enforcement actions
• U.S. Department of Justice (DOJ) - DOJ press releases and filings

All sources Foodie Pundit reports from

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