Tracing sources of Listeria contamination in traditional Italian cheese associated with a US outbreak: investigations in Italy

Tracing sources of Listeria contamination in traditional Italian cheese associated with a US outbreak: investigations in Italy

In 2012 a US multistate outbreak of listeriosis was linked to ricotta salata imported from Italy, made from pasteurized sheep's milk. Sampling activities were conducted in Italy to trace the source of Listeria monocytogenes contamination. The cheese that caused the outbreak was produced in a pl...

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Veröffentlicht in:Epidemiology and infection 2016-10, Vol.144 (13), p.2719-2727
Hauptverfasser: ACCIARI, V. A., IANNETTI, L., GATTUSO, A., SONNESSA, M., SCAVIA, G., MONTAGNA, C., ADDANTE, N., TORRESI, M., ZOCCHI, L., SCATTOLINI, S., CENTORAME, P., MARFOGLIA, C., PRENCIPE, V. A., GIANFRANCESCHI, M. V.
Format: Artikel
Sprache:eng
Schlagworte:
Bacterial Proteins - genetics
Cheese
Cheese - microbiology
Collaboration
Criminal investigations
Disease Outbreaks
Electrophoresis, Gel, Pulsed-Field
Epidemics
Epidemiology
Food contamination & poisoning
Food Handling
Food Microbiology
Food safety
Italy
Laboratories
Listeria
Listeria monocytogenes
Listeria monocytogenes - classification
Listeria monocytogenes - isolation & purification
Listeriosis - epidemiology
Listeriosis - microbiology
Manufacturing
Milk
Original Papers
Pathogens
Phylogeny
Public health
Sequence Analysis, DNA
Sheep
Surveillance
United States - epidemiology
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Zusammenfassung:In 2012 a US multistate outbreak of listeriosis was linked to ricotta salata imported from Italy, made from pasteurized sheep's milk. Sampling activities were conducted in Italy to trace the source of Listeria monocytogenes contamination. The cheese that caused the outbreak was produced in a plant in Apulia that processed semi-finished cheeses supplied by five plants in Sardinia. During an 'emergency sampling', 179 (23·6%) out of 758 end-products tested positive for L. monocytogenes, with concentrations from
ISSN:0950-2688
1469-4409
DOI:10.1017/S095026881500254X