Abstract
A cluster of time-linked cases and the identification of a clonal strain suggest the occurrence of an outbreak of listeriosis in Belgium in 2011, presumably due to the consumption of hard cheese made with pasteurised milk and produced by a Belgium manufacturer. The outbreak clone was identified as Listeria monocytogenes serovar 1/2a, sensitive to arsenic and cadmium and of multilocus sequence typing MLST-type 37. Food investigation of this outbreak was facilitated by the European Epidemic Intelligence Information System and data exchanged between French and Belgium listeriosis surveillance systems.
MeSH terms
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Aged
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Aged, 80 and over
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Arsenites / immunology
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Bacterial Typing Techniques
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Belgium / epidemiology
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Cadmium Chloride / immunology
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Cluster Analysis
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Disease Outbreaks / prevention & control*
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Disease Outbreaks / statistics & numerical data
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Drug Resistance, Microbial
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Electrophoresis, Gel, Pulsed-Field
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Europe
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Female
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Foodborne Diseases / diagnosis
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Foodborne Diseases / epidemiology
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Foodborne Diseases / prevention & control
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Geographic Information Systems
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Hospitalization / statistics & numerical data
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Hospitalization / trends
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Humans
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Information Dissemination*
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Listeria monocytogenes / immunology
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Listeria monocytogenes / isolation & purification*
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Listeriosis / diagnosis*
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Listeriosis / epidemiology*
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Listeriosis / microbiology
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Listeriosis / prevention & control
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Male
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Microbial Sensitivity Tests
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Middle Aged
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Molecular Sequence Data
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Population Surveillance / methods*
Substances
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Arsenites
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Cadmium Chloride