{"id":23047,"date":"2026-08-31T21:49:28","date_gmt":"2026-08-31T18:49:28","guid":{"rendered":"https:\/\/www.pasteur.mg\/?p=23047"},"modified":"2026-08-31T21:49:28","modified_gmt":"2026-08-31T18:49:28","slug":"rongeurs-urbains-et-risques-zoonotiques-partager-les-connaissances-pour-mieux-agir","status":"publish","type":"post","link":"https:\/\/www.pasteur.mg\/en\/rongeurs-urbains-et-risques-zoonotiques-partager-les-connaissances-pour-mieux-agir\/","title":{"rendered":"Rongeurs urbains et risques zoonotiques : partager les connaissances pour mieux agir"},"content":{"rendered":"<p style=\"text-align: justify;\">Depuis presque deux dizaines d\u2019ann\u00e9es, la population mondiale est devenue \u00e0 majorit\u00e9 urbaine. Mais dans de nombreux pays, le rythme de la croissance d\u00e9passe souvent les capacit\u00e9s d\u2019am\u00e9nagement des quartiers d\u2019habitation laissant la place \u00e0 de vastes zones pr\u00e9caires. Les march\u00e9s urbains, carrefours d&rsquo;approvisionnement alimentaire essentiels, souffrent eux aussi fr\u00e9quemment d\u2019un manque d\u2019infrastructures adapt\u00e9es et les conditions d\u2019hygi\u00e8ne y sont tr\u00e8s fragiles.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"23048\" data-permalink=\"https:\/\/www.pasteur.mg\/en\/rongeurs-urbains-et-risques-zoonotiques-partager-les-connaissances-pour-mieux-agir\/1-43\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/1-scaled.jpg?fit=2880%2C1918&amp;ssl=1\" data-orig-size=\"2880,1918\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/1-scaled.jpg?fit=1024%2C682&amp;ssl=1\" class=\"aligncenter wp-image-23048\" src=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/1-scaled.jpg?resize=512%2C341&#038;ssl=1\" alt=\"\" width=\"512\" height=\"341\" \/><\/p>\n<p style=\"text-align: justify;\">Dans ces espaces dens\u00e9ment peupl\u00e9s, le manque de services de base, notamment en mati\u00e8re d\u2019assainissement et de gestion des d\u00e9chets, ainsi que la disponibilit\u00e9 constante de ressources alimentaires (ex. denr\u00e9es stock\u00e9es, \u00e9levage domestique, agriculture urbaine) cr\u00e9e les conditions favorables \u00e0 la prolif\u00e9ration de rongeurs comme les rats et les souris. Leurs interactions quotidiennes avec les habitants des zones urbaines pr\u00e9caires offrent un terrain particuli\u00e8rement propice aux \u00e9changes d\u2019agents infectieux par voies directes, environnementales ou vectorielles.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"23049\" data-permalink=\"https:\/\/www.pasteur.mg\/en\/rongeurs-urbains-et-risques-zoonotiques-partager-les-connaissances-pour-mieux-agir\/2-33\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/2-scaled.jpg?fit=2880%2C1918&amp;ssl=1\" data-orig-size=\"2880,1918\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/2-scaled.jpg?fit=1024%2C682&amp;ssl=1\" class=\"wp-image-23049  aligncenter\" src=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/2-scaled.jpg?resize=509%2C339&#038;ssl=1\" alt=\"\" width=\"509\" height=\"339\" \/><\/p>\n<p style=\"text-align: justify;\">Afin de documenter un tel risque zoonotique \u00e0 Antananarivo, l&rsquo;Unit\u00e9 Peste de l&rsquo;Institut Pasteur de Madagascar (IPM) et le Centre de Biologie pour la Gestion des Populations de Montpellier (CBGP), France ((coord. Dr Gauthier Dobigny, chercheur de l\u2019Institut de Recherche pour le D\u00e9veloppement (IRD)) ont men\u00e9s plusieurs projets conjoints de recherche ces derni\u00e8res ann\u00e9es. Les suivis longitudinaux de cinq zones ateliers (deux march\u00e9s et trois quartiers d\u2019habitation) compl\u00e9t\u00e9s par ceux, plus opportunistes, d\u2019une trentaine de sites de la capitale ont permis de documenter la circulation d\u2018agents zoonotiques (dont le bacille de la peste, des leptospires pathog\u00e8nes, des agents du typhus, des hantavirus, des rotavirus et des trypanosomes) chez les micromammif\u00e8res (rongeurs et musaraignes) et les puces vectrices. Des enqu\u00eates men\u00e9es ont permis de mieux cerner les connaissances, les attitudes et la perception des habitants des enjeux li\u00e9s aux micromammif\u00e8res.\u00a0Enfin, plusieurs m\u00e9thodes de lutte et leurs cons\u00e9quences sur les risques zoonotiques ont-elles aussi \u00e9t\u00e9 explor\u00e9es\u00a0:<\/p>\n<p style=\"text-align: justify;\">&#8211; \u00e9tude d\u2019une nouvelle mol\u00e9cule pour \u00e9liminer, chez les rats, les puces qui transmettent la peste et les typhus \u00e0 Madagascar (projet EctoPeste)\u00a0;<\/p>\n<p style=\"text-align: justify;\">&#8211; co-construction et \u00e9valuation de strat\u00e9gies communautaires de gestion des rats en milieu urbain (projet SCARIA)\u00a0;<\/p>\n<p style=\"text-align: justify;\">&#8211; analyse des cons\u00e9quences des campagnes d\u00e9ratisations men\u00e9es dans les march\u00e9s sur le risque infectieux associ\u00e9 aux rongeurs (projet RoCoCity)\u00a0;<\/p>\n<p style=\"text-align: justify;\">&#8211; caract\u00e9risation des facteurs susceptibles de favoriser la circulation de la peste en milieu urbain afin d&rsquo;en am\u00e9liorer la surveillance et la pr\u00e9vention de son \u00e9mergence (projet PLAY-MAD).<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"23050\" data-permalink=\"https:\/\/www.pasteur.mg\/en\/rongeurs-urbains-et-risques-zoonotiques-partager-les-connaissances-pour-mieux-agir\/3-23\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/3-scaled.jpg?fit=2880%2C1918&amp;ssl=1\" data-orig-size=\"2880,1918\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"3\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/3-scaled.jpg?fit=1024%2C682&amp;ssl=1\" class=\"aligncenter wp-image-23050\" src=\"https:\/\/i0.wp.com\/www.pasteur.mg\/wp-content\/uploads\/2026\/08\/3-scaled.jpg?resize=499%2C332&#038;ssl=1\" alt=\"\" width=\"499\" height=\"332\" \/><\/p>\n<p style=\"text-align: justify;\">Afin de partager l\u2019\u00e9tat d\u2019avancement de ces projets et les connaissances qu\u2019ils g\u00e9n\u00e8rent, et dans le souci de renforcer les \u00e9changes entre chercheurs, professionnels de sant\u00e9 publique et acteurs de terrain, l\u2019IPM, en collaboration avec l\u2019IRD et en partenariat avec la Direction de Lutte contre les Maladies Transmissibles (DLMT) du Minist\u00e8re de la Sant\u00e9 Publique, a organis\u00e9 un atelier de restitution et de discussion le mardi 18 ao\u00fbt 2026 \u00e0 l\u2019IPM. Intitul\u00e9 \u00ab Atelier de surveillance et gestion des risques infectieux associ\u00e9s aux micromammif\u00e8res urbains \u00e0 Madagascar : exemple d\u2019Antananarivo \u00bb, cet \u00e9v\u00e9nement a r\u00e9uni diff\u00e9rents repr\u00e9sentants des secteurs de la sant\u00e9, de l\u2019agriculture, de l\u2019environnement, de l\u2019am\u00e9nagement urbain et des communaut\u00e9s locales. Au-del\u00e0 du partage d\u2019informations, il visait \u00e0 promouvoir les \u00e9changes intersectoriels en mati\u00e8re de gestion des rongeurs urbains.<\/p>\n<p>Voir aussi<br \/>\nFacebook<br \/>\nLinkedin<\/p>","protected":false},"excerpt":{"rendered":"<p>Depuis presque deux dizaines d\u2019ann\u00e9es, la population mondiale est devenue \u00e0 majorit\u00e9 urbaine. Mais dans de nombreux pays, le rythme de la croissance d\u00e9passe souvent les capacit\u00e9s d\u2019am\u00e9nagement des quartiers d\u2019habitation laissant la place \u00e0 de vastes zones pr\u00e9caires. Les march\u00e9s urbains, carrefours d&rsquo;approvisionnement alimentaire essentiels, souffrent eux aussi fr\u00e9quemment d\u2019un manque d\u2019infrastructures adapt\u00e9es et [&hellip;]<\/p>","protected":false},"author":23,"featured_media":23048,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[7,618],"tags":[],"class_list":["post-23047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-peste"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rongeurs urbains et risques zoonotiques : partager les connaissances pour mieux agir - Institut Pasteur de Madagascar<\/title>\n<meta name=\"description\" content=\"Depuis presque deux dizaines d\u2019ann\u00e9es, la population mondiale est devenue \u00e0 majorit\u00e9 urbaine. 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