In Denmark, a recent surge in Salmonella cases has caused concern, with a total of 12 individuals falling ill in recent weeks due to Salmonella Typhimurium, as reported by the Statens Serum Institut (SSI).

The affected individuals, ranging from 5 to 80 years old with a median age of 35, include six males and six females from various regions of the country.

Collaborating closely, the SSI, Danish Veterinary and Food Administration (Fødevarestyrelsen), and DTU Food Institute are actively investigating the outbreak. The SSI is employing whole genome sequencing techniques to analyze patients’ Salmonella isolates and conducting interviews with patients or their relatives to pinpoint a potential source of contamination.

Analysis revealed that the Salmonella strains from the infected individuals are closely related and all belong to sequence type 19.

This outbreak follows a trend from 2022, where Denmark recorded 899 cases of Salmonella, signaling an increase from previous years, though lower than 2019 figures. Notably, Salmonella triggered 11 outbreaks in 2022, with some linked to international incidents.

Understanding the severity of Salmonella infections, health authorities advise seeking medical attention promptly if symptoms arise. Diarrhea, abdominal cramps, and fever typically manifest within 12 to 72 hours post-exposure, with symptoms lasting up to seven days. Vulnerable demographics, including older adults and individuals with weakened immune systems, face a higher risk of severe illness.

Though some individuals may carry Salmonella without exhibiting symptoms, they can still spread the infection to others, emphasizing the importance of swift action and thorough investigation in such outbreaks.

Source: FSN

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