{"id":5266,"date":"2021-06-17T12:45:42","date_gmt":"2021-06-17T10:45:42","guid":{"rendered":"https:\/\/contrib.city\/?p=5266"},"modified":"2021-09-19T21:26:31","modified_gmt":"2021-09-19T19:26:31","slug":"risques-joints-une-vulnerabilite-exponentielle","status":"publish","type":"post","link":"https:\/\/contrib.city\/index.php\/2021\/06\/17\/risques-joints-une-vulnerabilite-exponentielle\/","title":{"rendered":"Risques joints : une vuln\u00e9rabilit\u00e9 exponentielle"},"content":{"rendered":"<p style=\"text-align: justify;\">Comme nous avions vu dans notre article du 12 mai dernier (<em>Inondations et risques conjoints : qui paye et qui profite? (\u00e9dition compl\u00e8te)<\/em>), lorsque deux risques se croisent, la vuln\u00e9rabilit\u00e9 r\u00e9sultante peut augmenter tr\u00e8s fortement. Ainsi, \u00e0 Boulogne-Billancourt, lorsqu&#8217;une inondation oblige \u00e0 l&#8217;\u00e9vacuation d&#8217;une maison de retraite, cela met un public en contact rapproch\u00e9&nbsp; avec un virus: tout d&#8217;abord les personnes \u00e2g\u00e9es et le personnel habituel mais \u00e9galement les agents d\u00e9di\u00e9s \u00e0 l&#8217;\u00e9vacuation.<\/p>\n<p style=\"text-align: justify;\">A une \u00e9chelle beaucoup plus dramatique, c&#8217;est \u00e9galement ce qui s&#8217;est pass\u00e9 \u00e0 Calcutta et au Bengale, lors du passage de la temp\u00eate tropicale en mai dernier. Les familles avaient le choix entre soit rester chez elles mais alors elles devraient prendre le risque de p\u00e9rir du fait de l&#8217;effondrement de leur habitation ou des objets propuls\u00e9s par le vent, ou bien d&#8217;aller dans les abris quitte \u00e0 repartir contamin\u00e9es par le Covid 19, du fait de la proximit\u00e9 des personnes dans ces m\u00eames abris. Si par exemple, deux couples avec enfants et un c\u00e9libataire habitant dans un immeuble de Calcutta, allaient dans un logement s\u00e9curis\u00e9 et \u00e9taient contamin\u00e9s, ces quatre personnes, une fois le calme revenus, reviendraient chez eux et, sans le savoir, propageraient le virus autour d&#8217;eux. Si chacune de ces personnes contamine cinq autre personnes, qui elle-m\u00eame contamine cinq autre personnes, et ainsi quatre fois de suite pendant 6 semaines, nous avons une augmentation avec facteur de 5 sur une \u00e9chelle de 42 jours.<\/p>\n<p style=\"padding-left: 280px;\">5 x 5 x 5 x 5 x 5 = <span style=\"font-size: small;\">5<sup>5 <\/sup><\/span>= 3125 personnes contamin\u00e9es en 6 semaines.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comme nous avions vu dans notre article du 12 mai dernier (Inondations et risques conjoints : qui paye et qui<\/p>\n","protected":false},"author":1,"featured_media":5267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4,6,2],"tags":[],"class_list":["post-5266","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environnement_fr","category-sante_fr","category-commerce-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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