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Efficacy of both the fish processing plant self-checking system and official food control conducted by authorities are crucial for<jats:italic>L<\/jats:italic>.<jats:italic>monocytogenes<\/jats:italic>prevention in the processing of these risky products. However, the impact of official control on<jats:italic>L<\/jats:italic>.<jats:italic>monocytogenes<\/jats:italic>prevention in the processing of fish products has not been extensively studied. We investigated the occurrence, control measures, and correction of non-compliances predisposing to<jats:italic>L<\/jats:italic>.<jats:italic>monocytogenes<\/jats:italic>in Finnish fish processing plants. The following features were associated with<jats:italic>L<\/jats:italic>.<jats:italic>monocytogenes<\/jats:italic>occurrence: (a) frequency of non-compliances concerning processing machinery, (b) recurrence of non-compliances, and (c) frequency of non-compliances for which official control measures were requested by inspecting authorities. Official control of fish processing plants had focused on risky areas, but non-compliances were common and their correction exhibited deficiencies. We conclude that<jats:italic>L<\/jats:italic>.<jats:italic>monocytogenes<\/jats:italic>prevention in fish processing can be enhanced by strengthening official food control measures and processing plant compliance. In particular, timely correction of all food safety violations must be improved.<\/jats:p>","DOI":"10.1038\/s41598-018-31410-9","type":"journal-article","created":{"date-parts":[[2018,8,24]],"date-time":"2018-08-24T14:56:45Z","timestamp":1535122605000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Strengthening the efficacy of official food control improves Listeria monocytogenes prevention in fish-processing plants"],"prefix":"10.1038","volume":"8","author":[{"given":"Mariella","family":"Aalto-Araneda","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hannu","family":"Korkeala","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Janne","family":"Lund\u00e9n","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2018,8,30]]},"reference":[{"key":"31410_CR1","doi-asserted-by":"publisher","first-page":"5077","DOI":"10.2903\/j.efsa.2017.5077","volume":"15","author":"European Food Safety Authority & European Centre for Disease Prevention and Control","year":"2017","unstructured":"European Food Safety Authority & European Centre for Disease Prevention and Control. 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