{"id":70138,"date":"2020-04-30T07:00:00","date_gmt":"2020-04-30T05:00:00","guid":{"rendered":"https:\/\/legrandcontinent.eu\/fr\/?p=70138"},"modified":"2020-04-30T08:23:24","modified_gmt":"2020-04-30T06:23:24","slug":"la-diffusion-du-covid-19-dans-les-etats-americains","status":"publish","type":"post","link":"https:\/\/legrandcontinent.eu\/fr\/2020\/04\/30\/la-diffusion-du-covid-19-dans-les-etats-americains\/","title":{"rendered":"La diffusion du Covid-19 dans les \u00c9tats am\u00e9ricains"},"content":{"rendered":"\n<p><em>Washington, D.C<\/em>. De la m\u00eame fa\u00e7on que pour l\u2019analyse de la diffusion du virus en Europe, l\u2019\u00e9tude de la propagation du Covid-19 \u00e0 l&rsquo;\u00e9chelle des \u00c9tats am\u00e9ricains rec\u00e8le d\u2019informations cl\u00e9s qui doivent permettre d\u2019informer les strat\u00e9gies de gestion de crise \u00e0 chaque \u00e9chelon d\u2019administration territoriale.<\/p>\n\n\n\n<p>Ainsi, le virus semble fermement implant\u00e9 dans les zones urbaines les plus dens\u00e9ment peupl\u00e9es du pays. \u00c0 l\u2019instar de la dorsale de l\u2019Europe rh\u00e9nane&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-1-70138' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/legrandcontinent.eu\/fr\/2020\/04\/30\/la-diffusion-du-covid-19-dans-les-etats-americains\/#easy-footnote-bottom-1-70138' title='LUMET S\u00e9bastien, ENAUDEAU Jacques, &lt;a href=&quot;https:\/\/legrandcontinent.eu\/fr\/2020\/04\/01\/organisation-du-territoire-europeen-en-temps-de-covid-19-entre-cooperation-et-repli\/&quot;&gt;Organisation du territoire europ\u00e9en en temps de Covid-19, entre coop\u00e9ration et repli,&lt;\/a&gt; Le Grand Continent, 1 avril 2020'><sup>1<\/sup><\/a><\/span><\/span>, le <em>Bos-Wash corridor<\/em> semble particuli\u00e8rement atteint. Les aires m\u00e9tropolitaines de Boston, New-York, Washington, Philadelphie, Baltimore et Washington D.C. concentrent un nombre important de cas confirm\u00e9s. L\u2019entrelacement des r\u00e9seaux routiers et ferroviaires dans la zone, mais aussi l\u2019\u00e9tendue des syst\u00e8mes de transport public dans et entre ces villes sont autant de voies de transmission secondaires. Des voies de communication susceptibles de diffuser le virus de la ville vers la p\u00e9riph\u00e9rie, mais aussi des p\u00e9riph\u00e9ries vers les centres urbains qui concentrent une forte activit\u00e9 \u00e9conomique et commerciale, comme l\u2019\u00eele de Manhattan. Plus au Sud, ce sont les zones urbaines d\u2019Atlanta en G\u00e9orgie et de Miami en Floride qui sont les plus touch\u00e9es.<\/p>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-large  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/vJZQV\/7\/\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>Dans le bassin industriel des Grands Lacs, les aires m\u00e9tropolitaines de Chicago et D\u00e9troit payent un lourd tribut, au m\u00eame titre que la zone nord-ouest de l\u2019\u00c9tat de New-York, dont la ville de Buffalo est tr\u00e8s int\u00e9gr\u00e9e \u00e0 l\u2019aire g\u00e9ographique du Grand Toronto. Le long du Mississippi et de ses principaux affluents, Indianapolis, Saint-Louis, Nashville sont particuli\u00e8rement visibles, alors que la Nouvelle-Orl\u00e9ans, en fin de parcours, concentre un nombre de cas important. Au Texas, le triangle urbain de Houston-San Antonio-Dallas semble relativement moins touch\u00e9.&nbsp;<\/p>\n\n\n\n<p>\u00c0 mesure que l\u2019on progresse vers les grands espaces de l\u2019Ouest am\u00e9ricain, la propagation se r\u00e9duit et dispara\u00eet m\u00eame presque enti\u00e8rement dans les zones arides du Nevada, dans l\u2019Oregon du Sud ou les grandes plaines du Montana. La zone urbaine de Denver-Aurora-Boulder appara\u00eet ici tr\u00e8s clairement. Sur la c\u00f4t\u00e9 ouest, les zones urbaines telles que Los Angeles et San Francisco au Sud et Seattle ou Portland au Nord sont fortement touch\u00e9es, mais l\u2019espacement entre celles-ci, plus important qu\u2019\u00e0 l\u2019Est, semble \u00eatre un facteur d\u2019endiguement qui permet de contenir la diffusion dans ces zones.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>De la m\u00eame fa\u00e7on que pour l\u2019analyse de la diffusion du virus en Europe, l\u2019\u00e9tude de la propagation du Covid-19 \u00e0 l&rsquo;\u00e9chelle des \u00c9tats am\u00e9ricains rec\u00e8le d\u2019informations cl\u00e9s qui doivent permettre d\u2019informer les strat\u00e9gies de gestion de crise \u00e0 chaque \u00e9chelon d\u2019administration territoriale.<\/p>\n","protected":false},"author":175,"featured_media":70139,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/post-briefings.php","format":"standard","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"footnotes":""},"categories":[2210],"tags":[2281],"staff":[2289],"editorial_format":[],"serie":[],"audience":[],"geo":[525],"class_list":["post-70138","post","type-post","status-publish","format-standard","hentry","category-sante-publique","tag-coronavirus","staff-observatoire-geopolitique-du-covid-19","geo-ameriques"],"acf":{"open_in_webview":false,"accent":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La diffusion du Covid-19 dans les \u00c9tats am\u00e9ricains | Le Grand Continent<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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