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

@article{Acciari2016TracingSO,
  title={Tracing sources of Listeria contamination in traditional Italian cheese associated with a US outbreak: investigations in Italy.},
  author={Vicdalia Aniela Acciari and Luigi Iannetti and Antonietta Gattuso and Michele Sonnessa and Gaia Scavia and Cosimo Montagna and Nicoletta Addante and Marina Torresi and L Zocchi and Silvia Scattolini and Patrizia Centorame and Cristina Marfoglia and Vincenza Annunziata Prencipe and Monica Virginia Gianfranceschi},
  journal={Epidemiology and infection},
  year={2016},
  volume={144 13},
  pages={2719-27}
}
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… CONTINUE READING