New Listeria monocytogenes strain
A hypervirulent strain of Listeria monocytogenes has been identified in lambs in a Chinese province. The newly discovered strain carries the gene sequences responsible for the pathogenicity of the most virulent Listeria strains in animals and humans, making them particularly dangerous and causing severe infections.

The source of human infection is mainly contaminated food. Symptoms of listeriosis may include general gastrointestinal symptoms (vomiting, diarrhoea, fever), sepsis, and central nervous system symptoms with lifelong consequences. It is particularly dangerous for elderly people, children and pregnant women (with mortality rates of up to 30%). The source of infection is often difficult to identify because of the long incubation period.

The research team that discovered the new strain is calling for international cooperation on the issue.

Related news, publications:

A rapid multiplex PCR method for the detection of L. monocytogenes serovar 4h, was developed based on a 2020 study.


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