Control of Listeria in Processing Plants - bioMÃ©rieux

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Significance of Listeria monocytogenesPsychrotroph• Multiplies at refrigeration temperaturesListeriosis• High fatality rate ranging from 20% - 30%• High risk populations• Pregnant women• Immuno-compromised• Elderly• Manifestations• Septicemia, Meningitis, Encephalitis, Intrauterine or cervical infections inpregnant women (results in spontaneous abortion or stillbirth)• Gastrointestinal or influenza-like symptoms such as nausea, vomiting,diarrhea and fever may precede more serious forms of listeriosis or may bethe only expressed symptom.http://www.fda.gov/downloads/Food/FoodSafety/FoodborneIllness/FoodborneIllnessFoodbornePathogensNaturalToxins/BadBugBook/UCM297627.pdf
Significance of Listeria monocytogenesReady-to-Eat refrigerated foods considered high risk• Ability to grow at refrigerated temperatures• Coupled with high fatality rateConsumer protection depends on preventingcontamination in those foods in which growth can occur• Intervention strategies• Control measures
Page 1: Control of Listeria in Processing P
Page 5 and 6: Reasons for FSIS Recalls - 2011Ex M
Page 7 and 8: Food Recalls - Listeria monocytogen
Page 9 and 10: Critical Aspects of Preventing Post
Page 11 and 12: Microbial Mapping of the Plant Envi
Page 13 and 14: Sanitary ZonesZone 1Zone 2Zone 3Zon
Page 15 and 16: Growth NichesLocations harboring th
Page 17 and 18: Transfer Points vs NichesMany posit
Page 19 and 20: % PositiveSurveillance of Listeria
Page 21 and 22: Use of Sub-Typing as a ToolPulsed-F
Page 23 and 24: SummaryMany recalls due to L. monoc
Page 25: Thank you!

Control of Listeria in Processing Plants - bioMÃ©rieux

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