A study has provided more detail on a multi-year outbreak of Listeria linked to meat products from one company in Germany. The United States was one of 20 countries that received the meat. The aim of the work was to verify and describe a cluster of listeriosis patients and identify factors leading to the outbreak. The cluster was named “Sigma1.” Findings were published in the journal Clinical Microbiology and Infection. The outbreak underlines the vulnerability of hospitalized patients for foodborne diseases and shows foods that may pose a high risk for Listeria monocytogenes contamination should not be offered to vulnerable people, according to the researchers.

 

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