To maximize vaccines\u2019 public health impact and ensure equitable access, WHO established the Strategic Advisory Group of Experts (SAGE) on Immunization in 1999.<\/p>\n\n\n\n
SAGE was formed by integrating two predecessor bodies\u2014the Scientific Advisory Group of Experts from the WHO Vaccine Development Program and the Global Advisory Group of the Expanded Program on Immunization. Initially focused on vaccine introduction, coverage enhancement, and safety assessments, SAGE\u2019s mandate has evolved to \u201clead global immunization\u201d efforts by providing evidence-driven guidance for large-scale immunization programs and rapid responses to public health emergencies<\/p>\n\n\n\n
Evidence-Based Decision Making<\/strong><\/p>\n\n\n\n At the heart of SAGE\u2019s work is a rigorous evidence-based approach. SAGE members are selected through an open nomination process that ensures diverse, geographically balanced representation. All members serve on a voluntary, four-year term and must declare any potential conflicts of interest.<\/p>\n\n\n\n SAGE employs the GRADE framework to systematically assess evidence\u2014from randomized controlled trials, real-world data, cost-effectiveness analyses, to pilot studies\u2014categorizing it as high, moderate, low, or very low quality. This structured approach informs the development of Vaccine Position Papers, which, after endorsement by the WHO Director-General, become official global immunization guidelines.<\/p>\n\n\n\n In situations of limited evidence or public health crises, SAGE utilizes an \u201cevidence grading\u2013pilot validation\u2013policy adjustment\u201d model. During the COVID-19 pandemic, SAGE rapidly adapted its recommendations based on emerging clinical trial data and real-world effectiveness studies, implementing strategies like heterologous prime-boost immunization and dose optimization.<\/p>\n\n\n\n Future Prospects<\/strong><\/p>\n\n\n\n Over the past 25 years, SAGE has profoundly shaped global immunization strategies with its commitment to scientific rigor, transparency, and adaptability. Its evolving, evidence-based approach ensures that vaccines reach those in need, safeguarding billions of lives and strengthening public health worldwide.<\/p>\n\n\n\n Looking ahead, SAGE faces complex challenges from climate change, population displacement, and vulnerabilities in the vaccine supply chain, particularly in low- and middle-income countries. To address these issues, SAGE plans to strengthen regional immunization policy centers, enhance cross-sector collaborations, and adopt innovative, data-driven approaches . These efforts aim not only to optimize vaccine uptake and coverage but also to build resilient immunization systems capable of safeguarding public health on a global scale.<\/p>\n\n\n\n More can be found in this article:<\/p>\n\n\n\n Marti M, Nohynek H, Duclos P, O’Brien KL, Hombach J. The Strategic Advisory Group of Experts (SAGE) on Immunization-Past, Present and Future. Vaccines (Basel). 2024 Dec 12;12(12):1402.<\/p>\n\n\n\n Content Editor: Ziyi Zhu<\/p>\n\n\n\n Page Editor: Ziqi Liu<\/p>\n","protected":false},"excerpt":{"rendered":" To maximize vaccines\u2019 public health impact and ensure equitable access, WHO established the Strategic Advisory Group of Experts (SAGE) on Immunization in 1999. SAGE was formed by integrating two predecessor bodies\u2014the Scientific Advisory Group of Experts from the WHO Vaccine Development Program and the Global Advisory Group of the Expanded Program on Immunization. Initially focused […]<\/p>\n","protected":false},"featured_media":14230,"menu_order":0,"template":"","meta":{"type_label":"none_selected"},"news-category":[73],"class_list":["post-14360","project-news","type-project-news","status-publish","has-post-thumbnail","hentry","news-category-research-en"],"_links":{"self":[{"href":"https:\/\/vaxlab.dukekunshan.edu.cn\/en\/wp-json\/wp\/v2\/project-news\/14360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vaxlab.dukekunshan.edu.cn\/en\/wp-json\/wp\/v2\/project-news"}],"about":[{"href":"https:\/\/vaxlab.dukekunshan.edu.cn\/en\/wp-json\/wp\/v2\/types\/project-news"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vaxlab.dukekunshan.edu.cn\/en\/wp-json\/wp\/v2\/media\/14230"}],"wp:attachment":[{"href":"https:\/\/vaxlab.dukekunshan.edu.cn\/en\/wp-json\/wp\/v2\/media?parent=14360"}],"wp:term":[{"taxonomy":"news-category","embeddable":true,"href":"https:\/\/vaxlab.dukekunshan.edu.cn\/en\/wp-json\/wp\/v2\/news-category?post=14360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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