{"id":35589,"date":"2022-04-01T12:02:41","date_gmt":"2022-04-01T10:02:41","guid":{"rendered":"https:\/\/www.proquimia.com\/listeria-monocytogenes\/"},"modified":"2025-11-07T14:40:23","modified_gmt":"2025-11-07T13:40:23","slug":"listeria-monocytogenes","status":"publish","type":"post","link":"https:\/\/www.proquimia.com\/fr\/listeria-monocytogenes\/","title":{"rendered":"List\u00e9riose"},"content":{"rendered":"\r\n<div class=\"vce-row-container\" data-vce-boxed-width=\"true\">\r\n<div id=\"el-67ea9556\" class=\"vce-row vce-row--col-gap-30 vce-row-equal-height vce-row-content--top\" data-vce-do-apply=\"all el-67ea9556\">\r\n<div class=\"vce-row-content\" data-vce-element-content=\"true\">\r\n\r\n\r\n<div id=\"el-8332f7c5\" class=\"vce-col vce-col--md-auto vce-col--xs-1 vce-col--xs-last vce-col--xs-first vce-col--sm-last vce-col--sm-first vce-col--md-last vce-col--lg-last vce-col--xl-last vce-col--md-first vce-col--lg-first vce-col--xl-first\">\r\n<div class=\"vce-col-inner\" data-vce-do-apply=\"border margin background el-8332f7c5\">\r\n<div class=\"vce-col-content\" data-vce-element-content=\"true\" data-vce-do-apply=\"padding el-8332f7c5\">\r\n\r\n\r\n<div class=\"vce-text-block\">\r\n<div id=\"el-3e5a08ee\" class=\"vce-text-block-wrapper vce\" data-vce-do-apply=\"all el-3e5a08ee\">\r\n\r\n<a href=\"https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/listeriosis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16670\" src=\"https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/listeriosis.jpg\" alt=\"listeriosis\" width=\"820\" height=\"270\" srcset=\"https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/listeriosis.jpg 820w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/listeriosis-416x137.jpg 416w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/listeriosis-600x198.jpg 600w\" sizes=\"auto, (max-width: 820px) 100vw, 820px\" \/><\/a>\r\n\r\n<strong>La list\u00e9riose est une infection due \u00e0 la bact\u00e9rie\u00a0<em>Listeria monocytogenes<\/em><\/strong>. L\u2019apparition de cette infection est g\u00e9n\u00e9ralement li\u00e9e \u00e0 l\u2019ingestion d\u2019aliments contamin\u00e9s par une grande quantit\u00e9 de cette bact\u00e9rie.\r\n\r\nIl s\u2019agit d\u2019une <strong>infection relativement rare<\/strong>, car son incidence est plut\u00f4t faible par rapport \u00e0 d\u2019autres maladies associ\u00e9es \u00e0 des micro-organismes d\u2019origine alimentaire.\r\n\r\nCependant, la list\u00e9riose est particuli\u00e8rement int\u00e9ressante et pr\u00e9occupante, car, sous sa forme invasive, c\u2019est une infection grave dont le <strong>taux de mortalit\u00e9 est tr\u00e8s \u00e9lev\u00e9<\/strong> (entre 10 et 30\u00a0%). En effet, la\u00a0<em>Listeria monocytogenes<\/em>\u00a0est un agent pathog\u00e8ne opportuniste qui touche essentiellement la population \u00e0 risque, alors que chez la population g\u00e9n\u00e9rale, l\u2019infection n\u2019entra\u00eene g\u00e9n\u00e9ralement pas le d\u00e9veloppement de la maladie.\r\n\r\n&nbsp;\r\n<table width=\"100%\">\r\n<tbody>\r\n<tr>\r\n<td>\r\n<h4><strong>Groupes \u00e0 risque :<\/strong><\/h4>\r\n- Femmes enceintes\r\n\r\n- Nouveau-n\u00e9s\r\n\r\n- Personnes immunod\u00e9prim\u00e9es\u00a0:\r\n\r\no Patients atteints de maladies chroniques\r\n\r\no Personnes \u00e2g\u00e9es\r\n\r\no Patients soumis \u00e0 des traitements m\u00e9dicaux particuliers\r\n\r\n\u00b7 Le risque de contracter la maladie est environ 20\u00a0fois plus \u00e9lev\u00e9 chez les femmes enceintes que chez les autres adultes en bonne sant\u00e9.\r\n\r\n\u00b7 Les patients atteints du VIH\/sida ont 300\u00a0fois plus de risques de contracter la list\u00e9riose que les personnes ayant un syst\u00e8me immunitaire normal.\r\n\r\n\u00b7 Les personnes \u00e2g\u00e9es de plus de 65\u00a0ans repr\u00e9sentent 62\u00a0% des personnes touch\u00e9es, avec un taux de mortalit\u00e9 de 19%.\r\n\r\n&nbsp;<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<h4><strong>Incidence de la list\u00e9riose<\/strong><\/h4>\r\nEn 2019, le taux de list\u00e9riose humaine dans l\u2019Union europ\u00e9enne montrait une <strong>pr\u00e9valence de 0,46\u00a0cas pour 100\u00a0000\u00a0habitants <\/strong>(EFSA 2020).\r\n\r\nLa tendance dans l\u2019UE des cas confirm\u00e9s de list\u00e9riose est rest\u00e9e stable au cours des trois derni\u00e8res ann\u00e9es (2\u00a0621 cas en 2019).\r\n\r\n&nbsp;\r\n\r\n<a href=\"https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16664\" src=\"https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis.png\" alt=\"casos reportados de listeriosis\" width=\"891\" height=\"734\" srcset=\"https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis.png 891w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis-416x343.png 416w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis-600x494.png 600w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis-840x692.png 840w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis-320x264.png 320w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis-480x395.png 480w, https:\/\/www.proquimia.com\/wp-content\/uploads\/2019\/07\/casos-reportados-de-listeriosis-800x659.png 800w\" sizes=\"auto, (max-width: 891px) 100vw, 891px\" \/><\/a>\r\n\r\n&nbsp;\r\n\r\n<em>Trend in reported confirmed human <\/em><em>cases of listeriosis in the EU\/EEA, by month, 2009\u2013 2019<\/em>\r\n\r\nD\u2019autre part, les donn\u00e9es mondiales (OMS\u00a02018) montrent une faible pr\u00e9valence (0,01\/0,1\u00a0cas pour 100\u00a0000\u00a0personnes), mais une mortalit\u00e9 tr\u00e8s \u00e9lev\u00e9e (20-30\u00a0%) chez les personnes sensibles.\r\n<h4><strong>Dose infectieuse<\/strong><\/h4>\r\nLa <strong>dose infectieuse n\u2019est pas d\u00e9termin\u00e9e<\/strong> et d\u00e9pend de facteurs, tels que la souche, la sensibilit\u00e9 de l\u2019h\u00f4te (\u00e9tat immunitaire, \u00e2ge, etc.) ou la matrice alimentaire concern\u00e9e.\r\n\r\nSelon un mod\u00e8le utilis\u00e9 par l\u2019EFSA, 92\u00a0% des cas de list\u00e9riose invasive seraient attribuables \u00e0 des doses sup\u00e9rieures \u00e0 100\u00a0000\u00a0unit\u00e9s formant colonie (UFC) par portion.\r\n\r\nPar cons\u00e9quent, en supposant une portion moyenne de 50\u00a0g, cela correspondrait \u00e0 une concentration de\u00a0<em>Listeria monocytogenes<\/em>\u00a0sup\u00e9rieure \u00e0 2\u00a0000\u00a0UFC\/g au moment de l\u2019ingestion.\r\n\r\nCependant, il est probable que moins de 1\u00a0000\u00a0UFC\/g puissent provoquer une infection chez les personnes sensibles.\r\n<h4><strong>P\u00e9riode d\u2019incubation<\/strong><\/h4>\r\nLa gastro-ent\u00e9rite due \u00e0 la <em>Listeria monocytogenes<\/em>\u00a0a une <strong>p\u00e9riode d\u2019incubation relativement courte, allant de quelques heures \u00e0 2 ou 3\u00a0jours<\/strong>.\r\n\r\nEn revanche, dans la forme s\u00e9v\u00e8re et invasive de la maladie, la p\u00e9riode d\u2019incubation est g\u00e9n\u00e9ralement de 1 \u00e0 2\u00a0semaines, mais peut aller de quelques jours \u00e0 3\u00a0mois.\r\n\r\nCette longue p\u00e9riode d\u2019incubation rend difficile l\u2019identification des aliments \u00e0 l\u2019origine de l\u2019infection.\r\n<h4><strong>Sympt\u00f4mes de la list\u00e9riose<\/strong><\/h4>\r\nLa list\u00e9riose provoque <strong>deux formes de maladie<\/strong> chez l\u2019homme\u00a0:\r\n<ul>\r\n \t<li><strong>Non invasive<\/strong>: une forme l\u00e9g\u00e8re qui affecte surtout les personnes en bonne sant\u00e9. Les sympt\u00f4mes comprennent\u00a0: <strong>diarrh\u00e9e, fi\u00e8vre, maux de t\u00eate et douleurs musculaires<\/strong>.<\/li>\r\n \t<li><strong>Invasive<\/strong>:\u00a0plus grave, elle touche essentiellement les groupes \u00e0 haut risque. Elle se caract\u00e9rise par des sympt\u00f4mes s\u00e9v\u00e8res et un taux de mortalit\u00e9 \u00e9lev\u00e9 (20-30\u00a0%). Les sympt\u00f4mes comprennent\u00a0: <strong>fi\u00e8vre, douleurs musculaires, septic\u00e9mie et m\u00e9ningite<\/strong>.<\/li>\r\n<\/ul>\r\n<strong>Chez les femmes enceintes, les sympt\u00f4mes peuvent \u00e9voquer une grippe <\/strong>(fi\u00e8vre, fatigue et douleurs musculaires), mais la <strong>listeria peut \u00eatre transmise au f\u0153tus<\/strong> et provoquer une fausse couche, une mort f\u0153tale, un accouchement pr\u00e9matur\u00e9 ou des infections potentiellement mortelles chez le nouveau-n\u00e9 (bact\u00e9ri\u00e9mie et m\u00e9ningite). Un tiers des cas confirm\u00e9s d\u2019infections materno-f\u0153tales \u00e0 <em>Listeria monocytogenes<\/em>\u00a0se soldent par une fausse couche ou une mort f\u0153tale.\r\n<h4><strong>Traitement de la list\u00e9riose<\/strong><\/h4>\r\nLa list\u00e9riose peut \u00eatre trait\u00e9e si elle est diagnostiqu\u00e9e \u00e0 temps<strong>. <\/strong>On utilise des<strong> antibiotiques pour traiter les sympt\u00f4mes<\/strong> graves, tels que la m\u00e9ningite. Lorsque l\u2019infection survient pendant la grossesse, l\u2019administration imm\u00e9diate d\u2019antibiotiques pr\u00e9vient l\u2019infection du f\u0153tus ou du nouveau-n\u00e9.\r\n<h4><strong>Transmission de la list\u00e9riose<\/strong><\/h4>\r\nLa <em>Listeria monocytogenes<\/em>\u00a0<strong>peut \u00eatre transmise \u00e0 l\u2019homme par voie verticale<\/strong> (m\u00e8re-enfant par le placenta<strong>)<\/strong>,<strong> zoonotique ou nosocomiale<\/strong>. Actuellement, 99\u00a0% des cas de list\u00e9riose humaine sont d\u2019origine alimentaire par l\u2019ingestion d\u2019aliments d\u2019origine animale (viande, poisson, lait, etc.) contamin\u00e9s par des agents pathog\u00e8nes.\r\n<h4><strong>Comment pr\u00e9venir la list\u00e9riose?<\/strong><\/h4>\r\nEn g\u00e9n\u00e9ral, la pr\u00e9vention de la list\u00e9riose est semblable \u00e0 la pr\u00e9vention d\u2019autres maladies d\u2019origine alimentaire, c\u2019est pourquoi il est important de suivre les cinq clefs pour des aliments plus s\u00fbrs, d\u00e9finies par l\u2019OMS\u00a0:\r\n<ol>\r\n \t<li>Prenez l\u2019habitude de la <strong>propret\u00e9<\/strong>.<\/li>\r\n \t<li><strong>S\u00e9parez les aliments crus et des aliments cuits<\/strong>.<\/li>\r\n \t<li><strong>Faites bien cuire les aliments\u00a0:<\/strong><\/li>\r\n<\/ol>\r\n<ul>\r\n \t<li>Les groupes \u00e0 risque doivent conna\u00eetre les aliments \u00e0 risque et \u00e9viter de les consommer ou les porter \u00e0 une temp\u00e9rature sup\u00e9rieure \u00e0 70\u00a0\u00b0C avant de les consommer.<\/li>\r\n<\/ul>\r\n<ol start=\"4\">\r\n \t<li><strong>Maintenez les aliments \u00e0 bonne temp\u00e9rature\u00a0:<\/strong><\/li>\r\n<\/ol>\r\n<ul>\r\n \t<li>Maintenez toujours la temp\u00e9rature du r\u00e9frig\u00e9rateur en dessous de 4\u00a0\u00b0C.<\/li>\r\n<\/ul>\r\n<ol start=\"5\">\r\n \t<li>Utilisez de l\u2019eau et des produits s\u00fbrs\u00a0:<\/li>\r\n<\/ol>\r\n<ul>\r\n \t<li>Respectez les dates de p\u00e9remption des denr\u00e9es alimentaires conserv\u00e9es au r\u00e9frig\u00e9rateur.<\/li>\r\n<\/ul>\r\nEn outre, les personnes appartenant \u00e0 des <strong>groupes \u00e0 haut risque<\/strong> devraient\u00a0:\r\n<ul>\r\n \t<li>\u00c9viter de consommer des produits laitiers fabriqu\u00e9s \u00e0 partir de lait non pasteuris\u00e9, des charcuteries et des produits \u00e0 base de viande pr\u00eats \u00e0 consommer, tels que les saucisses, les jambons, les p\u00e2t\u00e9s et les p\u00e2tes \u00e0 tartiner, ainsi que les fruits de mer et poissons fum\u00e9s \u00e0 froid (comme le saumon fum\u00e9)\u2009;<\/li>\r\n \t<li>Respectez la dur\u00e9e et la temp\u00e9rature de conservation indiqu\u00e9es sur les \u00e9tiquettes des aliments pr\u00eats \u00e0 consommer\u00a0;<\/li>\r\n \t<li>La cuisson avant de manger est un autre moyen tr\u00e8s efficace de tuer les bact\u00e9ries.<\/li>\r\n<\/ul>\r\n<h4><b>Conclusiones<\/b><\/h4>\r\n<ul>\r\n \t<li>La list\u00e9riose est une <strong>maladie relativement rare, mais qui sous sa forme invasive, est une maladie grave<\/strong>, avec un taux de mortalit\u00e9 \u00e9lev\u00e9, notamment chez les groupes \u00e0 risque.<\/li>\r\n \t<li>Sa <strong>dose infectieuse n\u2019est pas enti\u00e8rement d\u00e9termin\u00e9e<\/strong> et sa p\u00e9riode d\u2019incubation peut varier de quelques heures \u00e0 pr\u00e8s de 3 mois.<\/li>\r\n \t<li>Pour pr\u00e9venir la maladie, il est recommand\u00e9 de <strong>conna\u00eetre les aliments \u00e0 risque et suivre les cinq cl\u00e9s pour des aliments s\u00fbrs, propos\u00e9es par l\u2019OMS<\/strong>.<\/li>\r\n<\/ul>\r\nChez PROQUIMIA, sur la base de notre vaste gamme de <strong>produits d\u00e9tergents et d\u00e9sinfectants pour les surfaces et les mains<\/strong>, nous concevons des plans de nettoyage et de d\u00e9sinfection personnalis\u00e9s pour chaque processus et installation, afin de <strong>garantir des conditions optimales d\u2019hygi\u00e8ne alimentaire<\/strong>.\r\n<h4><strong>Sources<\/strong><\/h4>\r\n<ul>\r\n \t<li>Bulletin Acsa brief n<sup>o<\/sup>9\u00a0mai-juin\u00a02018. 2018. https:\/\/bit.ly\/2Sc0jt3<\/li>\r\n \t<li>Rapport\u00a02019 de l\u2019UE sur les zoonoses \u00ab\u00a0One Health\u00a0\u00bb. 2021. https:\/\/bit.ly\/3vyuFqS<\/li>\r\n \t<li>EFSA\u00a0Journal. The European Union One Health\u00a02018 Zoonoses Report. 2019.\u00a0<a href=\"https:\/\/bit.ly\/34XukE8\">https:\/\/bit.ly\/34XukE8<\/a><\/li>\r\n \t<li>EFSA\u00a0Journal. The European Union One Health\u00a02019 Zoonoses Report. 2021. https:\/\/bit.ly\/3wIRPw0<\/li>\r\n \t<li>Rapport \u00ab\u00a0One Health\u00a0\u00bb sur les zoonoses en Europe\u00a02019. 2021. https:\/\/bit.ly\/3iMRdl3<\/li>\r\n \t<li>https:\/\/bit.ly\/2HFPZaJ<\/li>\r\n \t<li>List\u00e9riose. 2018.\u00a0<a href=\"https:\/\/bit.ly\/3xkCfGW\">https:\/\/bit.ly\/3xkCfGW<\/a><\/li>\r\n<\/ul>\r\n<strong>AUTEUR: Agust\u00ed Capdevila<\/strong>\r\n\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n\n","protected":false},"excerpt":{"rendered":"<p>La list\u00e9riose est une infection due \u00e0 la bact\u00e9rie\u00a0Listeria monocytogenes. L\u2019apparition de cette infection est g\u00e9n\u00e9ralement li\u00e9e \u00e0 l\u2019ingestion d\u2019aliments contamin\u00e9s par une grande quantit\u00e9 de cette bact\u00e9rie. Il s\u2019agit d\u2019une infection relativement rare, car son incidence est plut\u00f4t faible par rapport \u00e0 d\u2019autres maladies associ\u00e9es \u00e0 des micro-organismes d\u2019origine alimentaire. Cependant, la list\u00e9riose est [&hellip;]<\/p>\n","protected":false},"author":21,"featured_media":34454,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[553],"tags":[],"sector":[251,380,388,392,509,515],"country":[],"ppma_author":[632],"class_list":["post-35589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articulos-tecnicos-industria-alimentaria-fr","sector-industrie-alimentaire","sector-aliments-transformes","sector-industrie-de-fabrication-des-boissons","sector-industrie-laitiere-et-fromagere","sector-articles-techniques","sector-home-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>List\u00e9riose : pr\u00e9vention et contr\u00f4le alimentaires PROQUIMIA<\/title>\n<meta name=\"description\" content=\"La list\u00e9riose est caus\u00e9e par la bact\u00e9rie Listeria monocytogenes. Ses foyers sont li\u00e9s \u00e0 la consommation d\u2019aliments contamin\u00e9s.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.proquimia.com\/fr\/listeria-monocytogenes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"List\u00e9riose : pr\u00e9vention et contr\u00f4le alimentaires PROQUIMIA\" \/>\n<meta property=\"og:description\" content=\"La list\u00e9riose est caus\u00e9e par la bact\u00e9rie Listeria monocytogenes. 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