{"id":30424,"date":"2026-09-21T10:23:19","date_gmt":"2026-09-21T10:23:19","guid":{"rendered":"https:\/\/infos-media-nantes.fr\/?p=30424"},"modified":"2026-09-21T10:23:19","modified_gmt":"2026-09-21T10:23:19","slug":"orvault-traitement-moustique-tigre-cas-dengue-2026","status":"publish","type":"post","link":"https:\/\/infos-media-nantes.fr\/orvault-traitement-moustique-tigre-cas-dengue-2026\/","title":{"rendered":"Orvault : un traitement anti-moustique tigre apr\u00e8s un cas import\u00e9 de dengue"},"content":{"rendered":"<article>\n<p>Une op\u00e9ration cibl\u00e9e contre le moustique tigre a \u00e9t\u00e9 men\u00e9e dans le quartier du <strong>Bois-Raguenet \u00e0 Orvault<\/strong>, dans la nuit du vendredi 18 au samedi 19 septembre 2026. L\u2019intervention a \u00e9t\u00e9 demand\u00e9e par l\u2019Agence r\u00e9gionale de sant\u00e9 (ARS) des Pays de la Loire apr\u00e8s le diagnostic d\u2019un cas de dengue chez un habitant revenu d\u2019une zone o\u00f9 le virus circule.<\/p>\n<p>Il s\u2019agit donc d\u2019un <strong>cas import\u00e9<\/strong>. \u00c0 ce stade, aucune transmission locale de la dengue n\u2019a \u00e9t\u00e9 annonc\u00e9e dans la commune.<\/p>\n<h2>Un traitement dans un rayon de 150 m\u00e8tres<\/h2>\n<p>L\u2019intervention a concern\u00e9 un p\u00e9rim\u00e8tre de 150 m\u00e8tres autour du principal lieu fr\u00e9quent\u00e9 par la personne concern\u00e9e. La zone a \u00e9t\u00e9 ferm\u00e9e \u00e0 partir de 19 h et le traitement s\u2019est d\u00e9roul\u00e9 entre 20 h et 1 h.<\/p>\n<p>Rentokil est intervenu pour le compte d\u2019Inovalys, op\u00e9rateur de l\u2019ARS. Le produit utilis\u00e9, Aqua K-Othrine, est un insecticide \u00e0 base de pyr\u00e9thrino\u00efdes autoris\u00e9 pour cet usage.<\/p>\n<p>La Ville pr\u00e9cise que l\u2019intervention est d\u00e9clench\u00e9e lorsque plusieurs conditions sont r\u00e9unies : une personne infect\u00e9e est pr\u00e9sente dans le secteur pendant la p\u00e9riode o\u00f9 elle peut transmettre le virus \u00e0 un moustique et des moustiques tigres sont pr\u00e9sents dans la zone.<\/p>\n<h2>Pourquoi intervenir autour d\u2019un cas import\u00e9 ?<\/h2>\n<p>La dengue ne se transmet pas directement d\u2019une personne \u00e0 une autre. Le virus est transmis par la piq\u00fbre d\u2019un moustique tigre infect\u00e9.<\/p>\n<p>L\u2019objectif de la lutte antivectorielle est donc d\u2019emp\u00eacher qu\u2019un moustique local pique une personne porteuse du virus, puis puisse \u00e0 son tour le transmettre. Le traitement ne signifie pas qu\u2019un foyer de transmission locale a \u00e9t\u00e9 identifi\u00e9 \u00e0 Orvault.<\/p>\n<h2>Des pr\u00e9cautions communiqu\u00e9es aux riverains<\/h2>\n<p>Les habitants du p\u00e9rim\u00e8tre ont \u00e9t\u00e9 inform\u00e9s en amont. Il leur a notamment \u00e9t\u00e9 demand\u00e9 de rester \u00e0 l\u2019int\u00e9rieur pendant l\u2019intervention, de fermer portes et fen\u00eatres, de couper les ventilations, de rentrer les animaux et de prot\u00e9ger les bassins ou piscines.<\/p>\n<p>Apr\u00e8s le traitement, la Ville recommandait \u00e9galement de laver les meubles de jardin, jeux d\u2019enfants, fruits et l\u00e9gumes expos\u00e9s.<\/p>\n<h2>Le moustique tigre d\u00e9sormais largement implant\u00e9 en France<\/h2>\n<p>Le moustique tigre, <em>Aedes albopictus<\/em>, est d\u00e9sormais implant\u00e9 durablement dans 83 d\u00e9partements m\u00e9tropolitains au 1er janvier 2026, selon le minist\u00e8re charg\u00e9 de la Sant\u00e9. Il peut transmettre notamment la dengue, le chikungunya et le virus Zika.<\/p>\n<p>\u00c0 l\u2019\u00e9chelle individuelle, la suppression r\u00e9guli\u00e8re des petites r\u00e9serves d\u2019eau stagnante autour des habitations reste l\u2019un des moyens les plus efficaces de limiter sa reproduction.<\/p>\n<p><a href=\"https:\/\/www.orvault.fr\/actualites\/intervention-ciblee-contre-le-moustique-tigre-au-bois-raguenet\/\" style=\"color:#5532F0;font-weight:bold;text-decoration:underline\"><strong><u>Consulter les informations de la Ville d\u2019Orvault sur cette intervention<\/u><\/strong><\/a>.<\/p>\n<p><a href=\"https:\/\/sante.gouv.fr\/sante-et-environnement\/substances-chimiques\/especes-nuisibles-et-parasites\/moustiques\" style=\"color:#5532F0;font-weight:bold;text-decoration:underline\"><strong><u>Retrouver les informations nationales sur les moustiques vecteurs de maladies<\/u><\/strong><\/a>.<\/p>\n<p><small>Cr\u00e9dit photo : Sixto Emmanuel Picones Puebla \/ Wikimedia Commons, CC BY-SA 4.0.<\/small><br \/>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s un cas import\u00e9 de dengue, un traitement cibl\u00e9 contre le moustique tigre a \u00e9t\u00e9 r\u00e9alis\u00e9 dans le quartier du Bois-Raguenet \u00e0 Orvault.<\/p>\n","protected":false},"author":3,"featured_media":30426,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":"","event_start_date":"","event_end_date":"","event_location":"","imn_event_city":"","imn_event_start_time":"","imn_event_end_time":"","imn_event_all_day":"","imn_event_address":"","imn_event_ticket_url":"","imn_event_price":"","imn_event_status":"","imn_event_organizer":"","imn_event_accessibility":""},"categories":[22],"tags":[552,8365,5387,7,8364,803,525],"class_list":["post-30424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-nantes","tag-ars-pays-de-la-loire","tag-bois-raguenet","tag-dengue","tag-loire-atlantique","tag-moustique-tigre","tag-orvault","tag-sante"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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