{"id":161449,"date":"2026-07-10T09:30:00","date_gmt":"2026-07-10T02:30:00","guid":{"rendered":"https:\/\/www.forestsnews.org\/161449\/armadillo-hunting-deforestation-leprosy-brazil"},"modified":"2026-07-09T23:56:29","modified_gmt":"2026-07-09T16:56:29","slug":"chasse-tatous-deforestation-lepre-bresil","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/161449\/chasse-tatous-deforestation-lepre-bresil","title":{"rendered":"Mettre en lumi\u00e8re le lien entre la chasse aux tatous, la d\u00e9forestation et la l\u00e8pre"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a id=\"_msocom_1\"><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La l\u00e8pre (caus\u00e9e par la bact\u00e9rie <em>Mycobacterium leprae<\/em>) demeure un probl\u00e8me de sant\u00e9 publique dans les r\u00e9gions tropicales des Am\u00e9riques. Cette maladie affecte principalement la peau et les nerfs p\u00e9riph\u00e9riques et, jusqu&rsquo;\u00e0 r\u00e9cemment, on pensait qu&rsquo;elle se transmettait essentiellement d&rsquo;une personne \u00e0 une autre par les gouttelettes respiratoires. Toutefois, des preuves de plus en plus nombreuses montrent que les tatous peuvent \u00e9galement transmettre la maladie aux humains, en particulier lorsque ceux-ci les chassent et les manipulent directement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On estime aujourd&rsquo;hui que 25 % des nouveaux cas de l\u00e8pre au Br\u00e9sil sont li\u00e9s aux tatous. Cette proportion atteint 40 % dans les zones les plus touch\u00e9es par la d\u00e9forestation, notamment dans ce que l&rsquo;on appelle \u00ab&nbsp; <a href=\"https:\/\/ipam.org.br\/glossario\/arc-of-deforestation\/\" target=\"_blank\" rel=\"noreferrer noopener\">l&rsquo;arc de d\u00e9forestation<\/a> \u00bb de l&rsquo;Amazonie.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces r\u00e9sultats proviennent d&rsquo;une \u00e9tude publi\u00e9e en 2025 dans la revue <a href=\"https:\/\/link.springer.com\/article\/10.1186\/s40249-025-01301-z\" target=\"_blank\" rel=\"noreferrer noopener\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\"> <em>Infectious Diseases of Poverty<\/em><\/mark><\/a>, qui cartographie les zones o\u00f9 la transmission de la l\u00e8pre entre les tatous et les humains est la plus importante et identifie les endroits o\u00f9 les interventions de sant\u00e9 publique sont les plus efficaces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S&rsquo;appuyant sur plus de 326 000 cas de l\u00e8pre recens\u00e9s au Br\u00e9sil entre 2013 et 2022, ainsi que sur <a href=\"https:\/\/www.cifor-icraf.org\/knowledge\/publication\/9287\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">un ensemble de donn\u00e9es <\/a> portant sur 554 tatous chass\u00e9s dans 175 municipalit\u00e9s, les chercheurs ont d\u00e9velopp\u00e9 un mod\u00e8le permettant d&rsquo;estimer le risque d&rsquo;infection li\u00e9 \u00e0 la chasse aux tatous. Ils ont \u00e9galement identifi\u00e9 plusieurs facteurs qui amplifient ce risque, notamment la forte densit\u00e9 de population, la d\u00e9gradation de l&rsquo;environnement (d\u00e9forestation), la malnutrition et le niveau socio-\u00e9conomique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hani Rocha El Bizri, auteur principal de l&rsquo;\u00e9tude et coordonnateur de <a href=\"https:\/\/sutpp.cifor-icraf.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sustainable Use of Wild Species Transformative Partnership Platform (SU-TPP),<\/a> s&rsquo;est entretenu avec <em>Forests News<\/em>.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-container-core-group-is-layout-b26833bd wp-block-group-is-layout-flow\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:var(--wp--preset--spacing--30);padding-left:0\">\n<div class=\"wp-block-cover has-parallax has-custom-content-position is-position-bottom-left\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;min-height:80vh;aspect-ratio:unset;\"><div class=\"wp-block-cover__image-background wp-image-42994 size-full has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.forestsnews.org\/wp-content\/uploads\/2016\/08\/tatu.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#63554c\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-container-core-cover-is-layout-a2503c34 wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-0a36cb25 wp-block-group-is-layout-flex\" style=\"border-top-right-radius:10px;background-color:#07070780;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<p class=\"has-text-align-right has-base-color has-text-color has-link-color has-small-font-size wp-elements-b10616602b587d804da760cbfeaa8d1d wp-block-paragraph\" style=\"writing-mode:horizontal-tb\"><\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-quel-est-le-lien-entre-la-chasse-aux-tatous-la-deforestation-et-la-lepre-au-bresil\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\"><strong>Quel est le lien entre la chasse aux tatous, la d\u00e9forestation et la l\u00e8pre au Br\u00e9sil ?<\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le r\u00e9sultat cl\u00e9 de notre \u00e9tude r\u00e9v\u00e8le qu&rsquo;environ un quart des nouveaux cas de l\u00e8pre au Br\u00e9sil est li\u00e9 \u00e0 la chasse et \u00e0 la consommation de viande de tatou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avant cette \u00e9tude, l&rsquo;Organisation mondiale de la Sant\u00e9 (OMS) reconnaissait d\u00e9j\u00e0 l&rsquo;existence d&rsquo;un lien entre les tatous et la transmission de la l\u00e8pre. Quelques cas avaient \u00e9t\u00e9 <a href=\"https:\/\/www.nejm.org\/doi\/full\/10.1056\/NEJMoa1010536\" target=\"_blank\" rel=\"noreferrer noopener\">signal\u00e9s<\/a> aux \u00c9tats-Unis, o\u00f9 le g\u00e9notype de la bact\u00e9rie <em>Mycobacterium leprae<\/em> retrouv\u00e9 chez les patients correspondait \u00e0 celui identifi\u00e9 chez les tatous. Cependant, nos r\u00e9sultats indiquent que le nombre de personnes infect\u00e9es \u00e0 la suite de la chasse aux tatous est bien plus \u00e9lev\u00e9 que ce que l&rsquo;on pensait.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous avons \u00e9galement identifi\u00e9 plusieurs autres facteurs favorisant la transmission zoonotique de la maladie. Dans les zones fortement d\u00e9bois\u00e9es, nous observons une pr\u00e9valence plus \u00e9lev\u00e9e de la maladie tant chez les humains que chez les tatous. Dans certaines municipalit\u00e9s situ\u00e9es dans \u00ab <a href=\"https:\/\/ipam.org.br\/glossario\/arc-of-deforestation\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">l&rsquo; arc de d\u00e9forestation<\/a> \u00bb , du Br\u00e9sil, jusqu&rsquo;\u00e0 40 % des cas de l\u00e8pre pourraient \u00eatre attribu\u00e9s \u00e0 la chasse et \u00e0 l&rsquo;utilisation des tatous. C&rsquo;est un chiffre tr\u00e8s \u00e9lev\u00e9 et particuli\u00e8rement pr\u00e9occupant.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-quelle-est-la-principale-contribution-de-cette-etude\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\"> <strong>Quelle est la principale contribution de cette \u00e9tude ?<\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;ampleur g\u00e9ographique de cette \u00e9tude est sans pr\u00e9c\u00e9dent. Le Br\u00e9sil est le plus grand pays tropical du monde et repr\u00e9sente pr\u00e8s de 40 % des zones tropicales des Am\u00e9riques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les donn\u00e9es sur la chasse que nous avons int\u00e9gr\u00e9es constituent \u00e9galement une contribution majeure. Jusqu&rsquo;\u00e0 pr\u00e9sent, nous ne pouvions pas \u00e9tablir de lien entre la chasse aux tatous et les cas de l\u00e8pre, faute de donn\u00e9es ind\u00e9pendantes sur cette pratique. Interroger directement les malades \u00e9tait peu fiable, car beaucoup h\u00e9sitent \u00e0 reconna\u00eetre qu&rsquo;ils chassent des tatous. Gr\u00e2ce aux donn\u00e9es recueillies dans le cadre du projet <a href=\"https:\/\/resources.unep-wcmc.org\/products\/WCMC_PT022\" target=\"_blank\" rel=\"noreferrer noopener\">TradeHUB <\/a> qui documente la chasse dans les principaux biomes et municipalit\u00e9s du Br\u00e9sil, nous avons pu identifier pr\u00e9cis\u00e9ment les r\u00e9gions o\u00f9 cette activit\u00e9 est la plus fr\u00e9quente. Cela nous a permis d&rsquo;\u00e9tablir un lien solide entre la chasse aux tatous et les flamb\u00e9es de l\u00e8pre.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:0;padding-bottom:0\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-scaled.jpg\" alt=\"A hunter prepares a trapped armadillo over an outdoor wood fire while a neighbour watches near a wooden stilt house.\" class=\"wp-image-161315\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-scaled.jpg 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-566x377.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-623x415.jpg 623w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-768x512.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-220x147.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-900x600.jpg 900w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-1536x1024.jpg 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/35875843895_9d97245960_o-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Un chasseur br\u00fble les poils du tatou qu&rsquo;il a captur\u00e9, tandis qu&rsquo;un voisin s&rsquo;approche pour lui demander ce qu&rsquo;il compte faire de la viande. Photo : Barbara Fraser \/ Landscape Alliance.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comment-avez-vous-etabli-le-lien-entre-la-chasse-aux-tatous-et-les-flambees-de-lepre\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\">Comment avez-vous \u00e9tabli le lien entre la chasse aux tatous et les flamb\u00e9es de l\u00e8pre ?<\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nous avons cr\u00e9\u00e9 un indicateur combinant la fr\u00e9quence de la chasse aux tatous et la probabilit\u00e9 qu&rsquo;un tatou soit infect\u00e9 par <em>Mycobacterium leprae<\/em> dans une zone donn\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La litt\u00e9rature scientifique recensait d\u00e9j\u00e0 des analyses PCR r\u00e9alis\u00e9es sur environ 300 tatous \u00e0 travers le Br\u00e9sil.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 partir de ces donn\u00e9es, nous avons cartographi\u00e9 les localit\u00e9s o\u00f9 les tatous \u00e9taient test\u00e9s positifs ou n\u00e9gatifs \u00e0 la l\u00e8pre, puis calcul\u00e9 la pr\u00e9valence des animaux infect\u00e9s \u00e0 l&rsquo;\u00e9chelle municipale. Une fois les jeux de donn\u00e9es sur la pr\u00e9valence de l&rsquo;infection et sur la chasse constitu\u00e9s, nous les avons combin\u00e9s \u00e0 l&rsquo;aide d&rsquo;un mod\u00e8le math\u00e9matique appel\u00e9 mod\u00e8le de favorabilit\u00e9. Celui-ci a permis de cr\u00e9er un indicateur du \u00ab&nbsp;risque d&rsquo;infection li\u00e9 \u00e0 la chasse aux tatous&nbsp;\u00bb qui estime la probabilit\u00e9 qu&rsquo;une personne contracte la maladie en chassant un tatou dans chaque municipalit\u00e9.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous ne pouvions pas nous appuyer uniquement sur les donn\u00e9es de chasse, puisqu&rsquo;elles ne renseignent pas sur l&rsquo;\u00e9tat sanitaire des animaux. \u00c0 l&rsquo;inverse, les seules donn\u00e9es sur les tatous infect\u00e9s ne permettent pas de savoir s&rsquo;ils sont effectivement chass\u00e9s. Il \u00e9tait donc indispensable de combiner les deux.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1377\" height=\"1215\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image002.jpg\" alt=\"A diagram outlining the methodological framework for leprosy transmission risk modelling from armadillos to humans. It tracks distribution and hunting data for two separate armadillo taxa, combining them into a single armadillo hunting model (a). This hunting model intersects with an armadillo leprosy model (b) to isolate the armadillo-hunting infection risk variable, which informs the final leprosy risk in humans model (c) featuring maps of Brazil, bacterial icons and a human silhouette.\" class=\"wp-image-161320\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image002.jpg 1377w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image002-453x400.jpg 453w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image002-470x415.jpg 470w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image002-768x678.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image002-204x180.jpg 204w\" sizes=\"auto, (max-width: 1377px) 100vw, 1377px\" \/><figcaption class=\"wp-element-caption\">Cadre m\u00e9thodologique de mod\u00e9lisation du risque de transmission de la l\u00e8pre des tatous aux humains utilis\u00e9 dans le cadre de cette \u00e9tude. Source : \u00c9laboration des auteurs.<\/figcaption><\/figure>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ces-resultats-vous-ont-ils-surpris\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\"><strong>Ces r\u00e9sultats vous ont-ils surpris ?<\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-did-the-findings-surprise-you-what-surprised-me-the-most-was-how-strong-the-armadillo-infection-risk-factor-was-we-had-no-clue-about-what-we-would-get-when-we-started-down-this-research-path-so-the-fact-that-we-found-that-an-estimated-25-percent-of-new-leprosy-cases-are-linked-to-armadillo-hunting-is-huge\">Ce qui m&rsquo;a le plus surpris, c&rsquo;est l&rsquo;importance du risque associ\u00e9 aux tatous infect\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-did-the-findings-surprise-you-what-surprised-me-the-most-was-how-strong-the-armadillo-infection-risk-factor-was-we-had-no-clue-about-what-we-would-get-when-we-started-down-this-research-path-so-the-fact-that-we-found-that-an-estimated-25-percent-of-new-leprosy-cases-are-linked-to-armadillo-hunting-is-huge\">Lorsque nous avons commenc\u00e9 cette \u00e9tude, nous ignorions ce que nous allions d\u00e9couvrir. Apprendre qu&rsquo;environ 25 % des nouveaux cas de l\u00e8pre sont li\u00e9s \u00e0 la chasse aux tatous est consid\u00e9rable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si de futures \u00e9tudes confirment ce risque, la gestion de la maladie deviendra beaucoup plus complexe, car la chasse est profond\u00e9ment ancr\u00e9e dans les pratiques culturelles de nombreuses r\u00e9gions tropicales des Am\u00e9riques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le lien avec la d\u00e9forestation est \u00e9galement tr\u00e8s pr\u00e9occupant. Nous nous attendions \u00e0 ce que la chasse et la d\u00e9forestation jouent un r\u00f4le dans la transmission de la l\u00e8pre entre les humains et les tatous, mais l&rsquo;importance de ces facteurs dans nos mod\u00e8les d\u00e9passe largement nos attentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cela change notre compr\u00e9hension de la maladie : ce que nous pensions \u00eatre un ph\u00e9nom\u00e8ne limit\u00e9 \u00e0 quelques zones localis\u00e9es pourrait en r\u00e9alit\u00e9 expliquer un quart des nouveaux cas de l\u00e8pre au Br\u00e9sil. Nous menons d\u00e9j\u00e0 des \u00e9tudes compl\u00e9mentaires afin d&rsquo;en mesurer toutes les implications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ces-resultats-sont-ils-applicables-au-dela-du-bresil\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\"><strong>Ces r\u00e9sultats sont-ils applicables au-del\u00e0 du Br\u00e9sil ?<\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Oui. Le Br\u00e9sil repr\u00e9sentant environ 40 % des zones tropicales des Am\u00e9riques, nous pensons que ces r\u00e9sultats sont \u00e9galement pertinents pour d&rsquo;autres pays. Les \u00e9cosyst\u00e8mes ne s&rsquo;arr\u00eatent pas aux fronti\u00e8res politiques et les donn\u00e9es br\u00e9siliennes peuvent servir de mod\u00e8le.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le Br\u00e9sil constitue un excellent terrain d&rsquo;\u00e9tude, car le pays dispose d&rsquo;une base de donn\u00e9es nationale tr\u00e8s compl\u00e8te sur les cas de l\u00e8pre. Tous les nouveaux cas sont enregistr\u00e9s dans les 5 570 municipalit\u00e9s du pays.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par ailleurs, <a href=\"http:\/\/10.3201\/eid3012.231143\" target=\"_blank\" rel=\"noreferrer noopener\">des \u00e9tudes<\/a> men\u00e9es dans d&rsquo;autres pays ont \u00e9galement identifi\u00e9 des tatous porteurs de <em>Mycobacterium leprae<\/em>. Nous savons donc que ce ph\u00e9nom\u00e8ne n&rsquo;est pas propre au Br\u00e9sil. La consommation de viande de gibier est \u00e9galement r\u00e9pandue dans plusieurs r\u00e9gions tropicales des Am\u00e9riques.<br><\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-container-core-group-is-layout-05f276a1 wp-block-group-is-layout-flow\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:0;padding-bottom:var(--wp--preset--spacing--20);padding-left:0\">\n<div class=\"wp-block-cover is-light has-parallax has-custom-content-position is-position-bottom-left\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;min-height:80vh;aspect-ratio:unset;\"><div role=\"img\" aria-label=\"Researchers wearing white gloves examine a three-banded armadillo lying on a white cloth over a blue tarp during field research.\" class=\"wp-block-cover__image-background wp-image-161328 size-full has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/07\/image003.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#7a8396\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-container-core-cover-is-layout-a2503c34 wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-0a36cb25 wp-block-group-is-layout-flex\" style=\"border-top-right-radius:10px;background-color:#07070780;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<p class=\"has-text-align-right has-base-color has-text-color has-link-color has-small-font-size wp-elements-b1210d5f25ffdf260fed857829eadd1d wp-block-paragraph\" style=\"writing-mode:horizontal-tb\">Un tatou \u00e0 trois bandes (<em>Tolypeutes tricinctus<\/em>) photographi\u00e9 lors de travaux de terrain pr\u00e8s de la Chapada Diamantina, dans l&rsquo;\u00c9tat de Bahia (Br\u00e9sil). Photo: Ol\u00edvia dos Anjos \/ Instituto Tamandu\u00e1<\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comment-esperez-vous-que-ces-donnees-seront-utilisees\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\"><strong>Comment esp\u00e9rez-vous que ces donn\u00e9es seront utilis\u00e9es ?<\/strong><\/mark><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J&rsquo;esp\u00e8re qu&rsquo;elles contribueront \u00e0 orienter les politiques de sant\u00e9 publique. Plusieurs membres de notre \u00e9quipe collaborent directement avec des instances telles que le groupe consultatif technique de l&rsquo;OMS sur la l\u00e8pre ainsi qu&rsquo;avec le minist\u00e8re br\u00e9silien de la Sant\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La l\u00e8pre reste une maladie n\u00e9glig\u00e9e dans la recherche sur les zoonoses. Les financements sont beaucoup plus importants pour les maladies virales que pour les maladies bact\u00e9riennes. Pourtant, nous sous-estimons la capacit\u00e9 des bact\u00e9ries \u00e0 se propager, \u00e0 \u00e9voluer et \u00e0 d\u00e9velopper une r\u00e9sistance aux antibiotiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces r\u00e9sultats sont d&rsquo;autant plus importants que nous avons mis en \u00e9vidence un lien entre la transmission de la l\u00e8pre et la d\u00e9forestation, dans un contexte de changements environnementaux et climatiques rapides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous menons actuellement un autre projet, financ\u00e9 par Leprosy Research Initiative (LRI), visant \u00e0 collecter et \u00e0 caract\u00e9riser g\u00e9n\u00e9tiquement des \u00e9chantillons pr\u00e9lev\u00e9s sur des tatous infect\u00e9s. Ces travaux nous permettront de formuler des recommandations plus solides pour les politiques de sant\u00e9 concernant la l\u00e8pre et les interactions entre les humains et les tatous. L&rsquo;analyse g\u00e9n\u00e9tique permettra de confirmer que la m\u00eame souche bact\u00e9rienne retrouv\u00e9e chez les tatous est \u00e9galement pr\u00e9sente chez les personnes infect\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a id=\"_msocom_1\"><\/a>Pour cela, nous avons \u00e9tabli des partenariats avec des sp\u00e9cialistes de l&rsquo;environnement, des professionnels de sant\u00e9 et des universit\u00e9s de tout le Br\u00e9sil afin de collecter des \u00e9chantillons sur des tatous vivants ou morts dans de nouvelles r\u00e9gions. Nous constituons ainsi ce qui sera probablement la plus grande biobanque d&rsquo;\u00e9chantillons de tatous au monde. Ces donn\u00e9es permettront de comparer les g\u00e9nomes des bact\u00e9ries pr\u00e9sentes chez les humains et chez les tatous afin de confirmer d\u00e9finitivement la transmission zoonotique. Cette biobanque nous permettra \u00e9galement de suivre l&rsquo;\u00e9volution de <em>Mycobacterium leprae<\/em> au fil du temps et de d\u00e9terminer si certaines souches d\u00e9veloppent une r\u00e9sistance aux traitements antibact\u00e9riens.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Notre objectif est de r\u00e9unir toutes les preuves scientifiques n\u00e9cessaires pour formuler des recommandations solides \u00e0 destination des autorit\u00e9s nationales et internationales de sant\u00e9 publique.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-en-savoir-plus\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#193b10\" class=\"has-inline-color\">En savoir plus<\/mark><\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.forestsnews.org\/89413\/facebook-to-expose-illegal-sport-hunting-in-brazil?fnl=\" target=\"_blank\" rel=\"noreferrer noopener\">Using Facebook to expose illegal sport hunting in Brazil<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/brasil.mongabay.com\/2025\/09\/pesquisas-buscam-mapear-relacao-entre-hanseniase-e-caca-ilegal-de-tatus-no-brasil\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pesquisas buscam mapear rela\u00e7\u00e3o entre hansen\u00edase e ca\u00e7a ilegal de tatus no Brasil<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.landscapealliance.org\/knowledge\/publication\/9287\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Exposing illegal hunting and wildlife depletion in the world\u2019s largest tropical country through social media data<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/ipam.org.br\/glossario\/arc-of-deforestation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Arc of deforestation<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-remerciements\"><strong><em><mark style=\"background-color:rgba(0, 0, 0, 0);color:#87d552\" class=\"has-inline-color\">Remerciements<\/mark><\/em><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-des-scientifiques-de-landscape-alliance-ont-apporte-des-jeux-de-donnees-essentiels-et-participe-a-cette-recherche-en-collaboration-avec-des-chercheurs-de-nombreuses-institutions-le-financement-a-ete-assure-par-l-universite-de-malaga-le-projet-tradehub-et-la-leprosy-research-initiative-lri\">Des scientifiques de <em><a href=\"https:\/\/www.landscapealliance.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Landscape Alliance<\/a>  ont apport\u00e9 des jeux de donn\u00e9es essentiels et particip\u00e9 \u00e0 cette recherche en collaboration avec des chercheurs de nombreuses institutions. Le financement a \u00e9t\u00e9 assur\u00e9 par l&rsquo;Universit\u00e9 de Malaga, le projet TRADEHub et la Leprosy Research Initiative (LRI).<\/em><\/h4>\n\n\n<div class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/amazonie\" rel=\"tag\">Amazonie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/bresil\" rel=\"tag\">Br\u00e9sil<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/chasse-au-gibier-sauvage\" rel=\"tag\">Chasse au gibier sauvage<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/infections-bacteriennes\" rel=\"tag\">Infections bact\u00e9riennes<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/lepre\" rel=\"tag\">L\u00e8pre<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/maladies-zoonotiques\" rel=\"tag\">Maladies zoonotiques<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/sante-publique\" rel=\"tag\">Sant\u00e9 Publique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.forestsnews.org\/fr\/tag\/tatous\" rel=\"tag\">Tatous<\/a><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>De nouvelles donn\u00e9es montrent que la chasse aux tatous serait \u00e0 l\u2019origine de 25 % des nouveaux cas de l\u00e8pre au Br\u00e9sil, une proportion qui atteint 40 % dans les zones fortement touch\u00e9es par la d\u00e9forestation. L\u2019auteur principal, Hani Rocha El Bizri, explique comment la d\u00e9gradation de l\u2019environnement et les pratiques de chasse se conjuguent pour alimenter les flamb\u00e9es de cette maladie bact\u00e9rienne dans la r\u00e9gion.<\/p>\n","protected":false},"author":381,"featured_media":161351,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[12063,12079,12111,12051],"tags":[13229,13232,13235,13231,13233,13236,13234,13237],"language":[2170],"location":[12265,12233,12239],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[],"type-espanol":[],"type-bahasa":[],"type-english":[8233,2427],"type-francais":[],"coauthors":[10007],"class_list":["post-161449","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aliments-et-regimes","category-deforestation-fr","category-forests-news-fr","category-gestion-et-restauration-forestiere","tag-amazonie","tag-bresil","tag-chasse-au-gibier-sauvage","tag-infections-bacteriennes","tag-lepre","tag-maladies-zoonotiques","tag-sante-publique","tag-tatous","language-francais","location-amazon","location-brazil","location-latin-america","type-english-headlines","type-english-interview"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Au Br\u00e9sil, la chasse aux tatous et la d\u00e9forestation favorisent la propagation de la l\u00e8pre<\/title>\n<meta name=\"description\" content=\"Une nouvelle \u00e9tude r\u00e9v\u00e8le que la chasse aux tatous et la d\u00e9forestation seraient \u00e0 l\u2019origine de 25 % des nouveaux cas de l\u00e8pre au Br\u00e9sil, une proportion qui atteint 40 % dans les zones les plus touch\u00e9es.\" \/>\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.forestsnews.org\/fr\/161449\/chasse-tatous-deforestation-lepre-bresil\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mettre en lumi\u00e8re le lien entre la chasse aux tatous, 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