PO13 | A BAYESIAN APPROACH TO LISTERIA MONOCYTOGENES RISK ASSESSMENT AND SAMPLING PLAN OPTIMIZATION IN OFFICIAL CONTROLS: Giuliana Blasi1, Cesare Ciccarelli2, Guglielmo D’Aurizio3, Annalisa Petruzzelli1, Donatella Ottaviani1, Francesca Leoni1, Francesca Barchiesi1, Elena Rocchegiani1 | 1Istituto Zooprofilattico dell’Umbria e delle Marche “Togo Rosati” (IZSUM), Italy; 2Azienda Sanitaria Territoriale Ascoli Piceno, Italy; 3Agenzia Regionale Sanitaria Marche, Italy. Ital J Food Safety [Internet]. 2026 Sep. 2 [cited 2026 Oct. 2];15(s1). Available from: https://www.pagepressjournals.org/ijfs/article/view/16241