{"id":18544,"date":"2026-10-23T11:09:58","date_gmt":"2026-10-23T09:09:58","guid":{"rendered":"https:\/\/www.bluesquarehub.com\/?p=18544"},"modified":"2026-10-23T11:10:02","modified_gmt":"2026-10-23T09:10:02","slug":"entrepot-national-donnees-vaccination","status":"publish","type":"post","link":"https:\/\/www.bluesquarehub.com\/fr\/entrepot-national-donnees-vaccination\/","title":{"rendered":"Entrep\u00f4t national de donn\u00e9es de vaccination : le socle num\u00e9rique de la d\u00e9cision en mati\u00e8re de vaccination"},"content":{"rendered":"\n<p class=\"eplus-wrapper wp-block-paragraph\">Les programmes de vaccination ont plus de vaccins \u00e0 administrer que jamais. Le <strong>pipeline vaccinal<\/strong> ne cesse de s&rsquo;\u00e9largir, mais les ressources dont disposent les <strong>programmes \u00e9largis de vaccination (PEV)<\/strong> ne progressent pas au m\u00eame rythme, et les contextes \u00e9pid\u00e9miologiques \u00e9voluent rapidement. \u00c0 mesure que les pays s&rsquo;approprient davantage leurs ressources de vaccination, ils font face \u00e0 davantage de choix d&rsquo;optimisation. Chacun de ces choix repose sur des donn\u00e9es que la plupart des PEV et des <strong>groupes techniques consultatifs nationaux sur la vaccination (NITAG)<\/strong> ne peuvent pas encore r\u00e9unir en un seul endroit. Un <strong>entrep\u00f4t national de donn\u00e9es de vaccination (ENDV)<\/strong> est la brique manquante.<\/p>\n\n\n\n<h2 class=\" wp-block-heading eplus-wrapper\">Les programmes de vaccination font face \u00e0 un nombre croissant de choix d&rsquo;optimisation<\/h2>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\"><strong>L&rsquo;appropriation par les pays<\/strong> signifie que davantage de d\u00e9cisions sont prises dans le pays, avec des budgets plus serr\u00e9s. La planification de la vaccination est d\u00e9sormais fa\u00e7onn\u00e9e par 3 types d&rsquo;arbitrages. Chacun n\u00e9cessite une combinaison diff\u00e9rente de donn\u00e9es.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Choisir les vaccins \u00e0 prioriser<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Chaque vaccin implique un calcul <strong>co\u00fbt-b\u00e9n\u00e9fice<\/strong>. D&rsquo;un c\u00f4t\u00e9 se trouve son <strong>impact \u00e9pid\u00e9miologique<\/strong> : charge de morbidit\u00e9 \u00e9vit\u00e9e et flamb\u00e9es \u00e9pid\u00e9miques pr\u00e9venues. De l&rsquo;autre c\u00f4t\u00e9 se trouvent les <strong>co\u00fbts op\u00e9rationnels de prestation<\/strong>. Mettre les deux en balance soul\u00e8ve une question pratique : \u00e0 partir de quel moment une modalit\u00e9 de prestation devient-elle l&rsquo;option la plus <strong>co\u00fbt-efficace<\/strong> pour un vaccin et une population donn\u00e9s ?<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">\u00c9quilibrer la vaccination de routine et les activit\u00e9s de vaccination suppl\u00e9mentaires&nbsp;<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Les programmes doivent aussi arbitrer entre la <strong>vaccination de routine<\/strong>, l&rsquo;<strong>intensification p\u00e9riodique de la vaccination de routine (PIRI)<\/strong>, et les <strong>campagnes de vaccination<\/strong>, et d\u00e9cider o\u00f9 orienter les activit\u00e9s intensifi\u00e9es et les campagnes. Le <strong>ciblage des campagnes<\/strong> d\u00e9pend de la connaissance des zones o\u00f9 se situent les lacunes d&rsquo;immunit\u00e9, de celles o\u00f9 des flamb\u00e9es sont probables, et du co\u00fbt de mise en \u0153uvre de chaque op\u00e9ration.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Adapter les strat\u00e9gies de prestation au sein du syst\u00e8me de sant\u00e9<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Au niveau du district, les responsables du PEV choisissent entre s\u00e9ances en poste fixe, strat\u00e9gies mobiles et avanc\u00e9es, <strong>interventions ax\u00e9es sur la demande<\/strong>, et recherche des contacts. Trouver le bon dosage pour chaque zone exige des preuves sur la couverture, l&rsquo;acc\u00e8s et l&rsquo;utilisation des services de vaccination \u00e0 une \u00e9chelle g\u00e9ographique fine.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Les cadres d&rsquo;optimisation entrent dans la planification des pays<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Gavi et ses partenaires formalisent ces choix. Dans le cadre de Gavi 6.0, l&rsquo;approche d&rsquo;<strong>optimisation et de priorisation du portefeuille de vaccins (VPOP)<\/strong> aide les pays \u00e0 d\u00e9cider quels vaccins introduire et comment optimiser ceux d\u00e9j\u00e0 inscrits \u00e0 leur calendrier. Parall\u00e8lement \u00e0 VPOP, <strong>CashPop<\/strong> applique la m\u00eame logique d&rsquo;optimisation au soutien financier programmatique de Gavi, afin que les enveloppes vaccinales et le financement des syst\u00e8mes de sant\u00e9 soient planifi\u00e9s ensemble. L&rsquo;OMS, l&rsquo;UNICEF et Development Catalysts ont publi\u00e9 une version interm\u00e9diaire de la <a href=\"https:\/\/www.nitag-resource.org\/sites\/default\/files\/2026-04\/OPTI%200.0%20WHO%20Optimization%20guidance%20-%20READ%20ME.pdf\">bo\u00eete \u00e0 outils d&rsquo;optimisation VPOP<\/a> en mars 2026, et les PEV ont commenc\u00e9 \u00e0 mener des exercices VPOP avec leurs <strong>NITAG<\/strong>, comme en <a href=\"https:\/\/afro.who.int\/countries\/sierra-leone\/news\/who-partners-support-sierra-leones-gavi-60-vaccine-portfolio-optimization-and-prioritization-process\">Sierra Leone en septembre 2026<\/a>, en Somalie, au S\u00e9n\u00e9gal\u2026<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\"><strong>La documentation VPOP<\/strong> identifie les donn\u00e9es comme une contrainte majeure. L&rsquo;OMS note que les pays \u00ab manquent souvent de donn\u00e9es, de capacit\u00e9 et de structures d&rsquo;appui \u00bb n\u00e9cessaires pour examiner les preuves. Les <a href=\"https:\/\/www.gavi.org\/news\/document-library\/rfp-vaccine-portfolio-optimisation-and-prioritisation-vpop-approach\">termes de r\u00e9f\u00e9rence VPOP<\/a> de Gavi appellent \u00e0 \u00ab veiller \u00e0 ce que les donn\u00e9es existantes soient collect\u00e9es de mani\u00e8re syst\u00e9matique et centralis\u00e9es pour \u00e9clairer les travaux VPOP \u00bb. Un <strong>entrep\u00f4t national de donn\u00e9es de vaccination<\/strong> offre aux pays ce socle centralis\u00e9 au niveau national.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Les programmes de lutte contre le paludisme se posent des questions similaires depuis des ann\u00e9es, et leur exp\u00e9rience offre un point de d\u00e9part utile.<\/p>\n\n\n\n<h2 class=\" wp-block-heading eplus-wrapper\">Les enseignements des programmes de lutte contre le paludisme sur les entrep\u00f4ts nationaux de donn\u00e9es<\/h2>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Les programmes de lutte contre le paludisme font face \u00e0 des d\u00e9fis comparables, quoique moins complexes. Avec le temps, ils ont d\u00e9velopp\u00e9 une vision claire : l&rsquo;<strong>optimisation<\/strong> est au c\u0153ur de l&rsquo;agenda d&rsquo;\u00e9limination et d&rsquo;\u00e9radication du paludisme, et elle d\u00e9pend d&rsquo;une <strong>infrastructure d&rsquo;int\u00e9gration de donn\u00e9es<\/strong>. Cette infrastructure doit \u00eatre un environnement o\u00f9 toutes les donn\u00e9es sur le paludisme sont stock\u00e9es et peuvent servir \u00e0 la planification, \u00e0 l&rsquo;optimisation et \u00e0 l&rsquo;\u00e9valuation.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Le concept d&rsquo;entrep\u00f4t national de donn\u00e9es sur le paludisme<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">L&rsquo;<strong>Organisation mondiale de la Sant\u00e9 (OMS)<\/strong> d\u00e9crit l&rsquo;entrep\u00f4t<strong> national de donn\u00e9es sur le paludisme (NMDR)<\/strong> comme une plateforme num\u00e9rique d\u00e9tenue par le pays, qui r\u00e9unit des donn\u00e9es sur le paludisme provenant de sources multiples dans un syst\u00e8me structur\u00e9 unique. Selon les <a href=\"https:\/\/www.who.int\/publications\/m\/item\/guidance-on-establishing-a-national-malaria-data-repository\">orientations de l&rsquo;OMS pour la mise en place d&rsquo;un entrep\u00f4t national de donn\u00e9es sur le paludisme<\/a>, un NMDR rassemble des flux de donn\u00e9es qui r\u00e9sident habituellement dans des syst\u00e8mes distincts :<\/p>\n\n\n<ul class=\" wp-block-list eplus-wrapper eplus-styles-uid-69f6ab\">\n<li class=\" eplus-wrapper\"><strong>Surveillance \u00e9pid\u00e9miologique de routine<\/strong> issue du syst\u00e8me d&rsquo;information sanitaire (SIS)<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Interventions<\/strong>, dont la lutte antivectorielle et la chimiopr\u00e9vention<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Donn\u00e9es de laboratoire<\/strong> et \u00e9tudes d&rsquo;efficacit\u00e9 th\u00e9rapeutique<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Produits de sant\u00e9<\/strong> et donn\u00e9es de la cha\u00eene d&rsquo;approvisionnement<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Entomologie<\/strong> et donn\u00e9es climatiques<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>D\u00e9nominateurs de population<\/strong>, finances et menaces biologiques<\/li>\n<\/ul>\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Un NMDR connecte et harmonise les donn\u00e9es de plateformes telles que DHIS2 et les syst\u00e8mes d&rsquo;information de gestion logistique (LMIS) sans les remplacer. Le NMDR devient le <strong>socle de donn\u00e9es de la sant\u00e9 publique de pr\u00e9cision<\/strong> du programme de lutte contre le paludisme.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Les NMDR en pratique<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\"><strong>Les programmes nationaux de lutte contre le paludisme<\/strong> mettent actuellement en place des NMDR dans plusieurs pays, dont le Cameroun, la Guin\u00e9e et le Niger, avec l&rsquo;appui technique de Bluesquare. La plupart de ces entrep\u00f4ts fonctionnent sur des instances <a href=\"https:\/\/www.bluesquarehub.com\/fr\/produits\/abonnements-aux-services\/dhis2\/\">DHIS2<\/a> d\u00e9di\u00e9es, avec <a href=\"https:\/\/www.openhexa.com\/fr\/\">OpenHEXA<\/a> qui assure l&rsquo;int\u00e9gration des donn\u00e9es et le traitement avanc\u00e9. Des orientations techniques et op\u00e9rationnelles standardis\u00e9es sont en cours d&rsquo;\u00e9laboration avec PATH, CHAI, l&rsquo;OMS et le Fonds mondial. Une communaut\u00e9 de pratique francophone relie aussi les pays concern\u00e9s (<a href=\"https:\/\/community.dhis2.org\/t\/malaria-data-repository-implementation-lessons\/64554\">enseignements de mise en \u0153uvre sur la DHIS2 Community<\/a>).<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Les programmes de vaccination pourraient s&rsquo;appuyer sur le m\u00eame mod\u00e8le, mais leur paysage de donn\u00e9es est plus complexe.<\/p>\n\n\n\n<h2 class=\" wp-block-heading eplus-wrapper\">Les donn\u00e9es de vaccination sont encore plus fragment\u00e9es<\/h2>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\"><strong>La fragmentation des donn\u00e9es<\/strong> est un d\u00e9fi plus important pour la vaccination que pour le paludisme. Pourtant, il existe moins d&rsquo;orientations sur la mani\u00e8re de la traiter.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Des flux de donn\u00e9es qui se rencontrent rarement<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Un PEV type g\u00e9n\u00e8re des donn\u00e9es \u00e0 travers de nombreux syst\u00e8mes distincts :<\/p>\n\n\n<ul class=\" wp-block-list eplus-wrapper eplus-styles-uid-672dd2\">\n<li class=\" eplus-wrapper\">Donn\u00e9es d&rsquo;activit\u00e9 de vaccination issues des s\u00e9ances de routine, de la PIRI et des activit\u00e9s de vaccination suppl\u00e9mentaires<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Supervision formative digitalis\u00e9e<\/strong><\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Microplans<\/strong> et leurs g\u00e9ographies sanitaires (<a href=\"https:\/\/www.bluesquarehub.com\/fr\/expertise\/sante-publique-de-precision\/georegistre-et-outils-de-microplanification\/\">g\u00e9oregistre et outils de microplanification<\/a>)<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Suivi de la cha\u00eene du froid<\/strong>, y compris par des <strong>capteurs de temp\u00e9rature IoT<\/strong><\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Cha\u00eene d&rsquo;approvisionnement des vaccins<\/strong>, avec des syst\u00e8mes tels que <strong>eSMT<\/strong> (Stock Management Tool) et <strong>OpenLMIS<\/strong><\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Surveillance des maladies \u00e9vitables par la vaccination<\/strong> et maladies \u00e0 d\u00e9claration obligatoire<\/li>\n\n\n\n<li class=\" eplus-wrapper\">Syst\u00e8me de notification des manifestations postvaccinales ind\u00e9sirables (MAPI)<\/li>\n<\/ul>\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Chaque flux r\u00e9pond \u00e0 une partie de la question. Aucun d&rsquo;entre eux ne r\u00e9pond seul \u00e0 la question dans son ensemble.<\/p>\n\n\n\n<h3 class=\" wp-block-heading eplus-wrapper\">Peu d&rsquo;orientations sur par o\u00f9 commencer<\/h3>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Malgr\u00e9 cette fragmentation, peu de r\u00e9f\u00e9rences existent sur l&rsquo;<strong>int\u00e9gration des donn\u00e9es de vaccination<\/strong>. Les responsables des PEV et leurs partenaires n&rsquo;ont toujours pas de r\u00e9ponse \u00e0 3 questions de base : par o\u00f9 commencer, quelle infrastructure utiliser et quels <strong>produits de donn\u00e9es<\/strong> construire en premier.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">R\u00e9pondre \u00e0 ces questions ouvre un large \u00e9ventail d&rsquo;usages.<\/p>\n\n\n\n<h2 class=\" wp-block-heading eplus-wrapper\">Les possibilit\u00e9s offertes par un entrep\u00f4t national de donn\u00e9es de vaccination<\/h2>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Un <strong>entrep\u00f4t national de donn\u00e9es de vaccination<\/strong> r\u00e9unit les flux de donn\u00e9es du PEV dans un environnement unique et gouvern\u00e9 que le pays d\u00e9tient et contr\u00f4le pleinement. Les PEV peuvent utiliser ces donn\u00e9es int\u00e9gr\u00e9es pour planifier et suivre la prestation, et les NITAG peuvent s&rsquo;appuyer sur la m\u00eame base de preuves pour leurs recommandations. Parmi les usages :<\/p>\n\n\n<ul class=\" wp-block-list eplus-wrapper eplus-styles-uid-c09fec\">\n<li class=\" eplus-wrapper\"><strong>Cartes de risque de maladie ou de flamb\u00e9e \u00e9pid\u00e9mique<\/strong>, calcul\u00e9es en combinant des donn\u00e9es de couverture, de surveillance et de population<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Optimisation des vaccins<\/strong>, en alimentant les exercices VPOP et CashPop avec des donn\u00e9es int\u00e9gr\u00e9es \u00e9pid\u00e9miologiques, de couverture et de co\u00fbts de prestation<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Optimisation des interventions au niveau du district<\/strong>, en comparant les strat\u00e9gies fixes, avanc\u00e9es, mobiles et ax\u00e9es sur la demande<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Suivi continu de la performance<\/strong> des activit\u00e9s, de la cha\u00eene d&rsquo;approvisionnement et de la cha\u00eene du froid<\/li>\n\n\n\n<li class=\" eplus-wrapper\"><strong>Estimations de la couverture<\/strong> qui triangulent les donn\u00e9es administratives avec d&rsquo;autres sources<\/li>\n<\/ul>\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Quel que soit le cas d&rsquo;usage, la m\u00eame base int\u00e9gr\u00e9e est n\u00e9cessaire. Un ENDV constitue cette base.<\/p>\n\n\n\n<h2 class=\" wp-block-heading eplus-wrapper\">Construire ensemble le concept d&rsquo;entrep\u00f4t national de donn\u00e9es de vaccination<\/h2>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">L&rsquo;exp\u00e9rience des NMDR montre ce qui devient possible lorsqu&rsquo;un programme poss\u00e8de un environnement de donn\u00e9es int\u00e9gr\u00e9. Les programmes de vaccination m\u00e9ritent la m\u00eame base, adapt\u00e9e \u00e0 leurs propres flux de donn\u00e9es et d\u00e9cisions. Bluesquare veut contribuer \u00e0 fa\u00e7onner le concept d<strong>&lsquo;entrep\u00f4t national de donn\u00e9es de vaccination<\/strong> aux c\u00f4t\u00e9s de l&rsquo;OMS, des PEV, des NITAG et des partenaires techniques.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\">Si cette approche vous semble pertinente et que vous souhaitez travailler ensemble sur ce sujet, contactez-nous via notre <a href=\"https:\/\/www.bluesquarehub.com\/fr\/expertise\/disease-surveillance-and-control\/vaccination\/\">page d&rsquo;expertise en vaccination<\/a>, ou renseignez-vous sur nos <a href=\"https:\/\/www.bluesquarehub.com\/fr\/expertise\/disease-surveillance-and-control\/paludisme\/\">travaux sur les donn\u00e9es du paludisme<\/a>.<\/p>\n\n\n\n<p class=\"eplus-wrapper wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les programmes de vaccination ont plus de vaccins \u00e0 administrer que jamais. Le pipeline vaccinal ne cesse de s&rsquo;\u00e9largir, mais les ressources dont disposent les programmes \u00e9largis de vaccination (PEV) [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":18626,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","editor_plus_copied_stylings":"{}","footnotes":""},"categories":[232],"tags":[195],"class_list":["post-18544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-immunization","tag-vaccination"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>National immunization data repository: EPI backbone - Bluesquare<\/title>\n<meta name=\"description\" content=\"How a national immunization data repository can integrate fragmented EPI data for vaccine choices, campaign targeting and precision public 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