Listeriosis secondary prevention

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The prevention of Listeria as a food illness involves effective sanitizing of food contact surfaces. Alcohol has proven to be an effective topical sanitizer against Listeria. Quaternary ammonium can be used in conjunction with alcohol as a food contact safe sanitizer with increased duration of the sanitizing action. Nonflammable Alcohol Vapour in carbon dioxide NAV-CO2 systems or sodium hypochlorite are frequently used to sanitize surfaces to prevent Listeria.

Prevention

Cook all raw food thoroughly. Wash raw vegetables. Avoid consumption of raw milk or raw milk products. Wash hands, knives, and cutting boards after handling uncooked foods. For pregnant or immunocompromised patients, avoid soft cheeses (eg.: feta, Brie, Camembert cheese, bleu cheese; cream cheese, yoghurt, and cottage cheese are considered safe. Reheat leftover or ready-to-eat foods (eg.: hot dogs) until steaming hot. Avoid delicatessen foods unless they are thoroughly reheated.

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