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During the period July–December 2024, JSI, as the Zero-Dose Learning Hub global learning partner, continued to provide technical assistance and collaborate and co-create with the Uganda Learning Hub. This semiannual update for the Gavi, the Vaccine Alliance Board and other stakeholders highlights…
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During the period July–December 2024, JSI, as the Zero-Dose Learning Hub global learning partner, continued to provide technical assistance and collaborate and co-create with the Mali Learning Hub. This semiannual update for the Gavi, the Vaccine Alliance Board and other stakeholders highlights the…
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During the period July–December 2024, JSI, as the Zero-Dose Learning Hub global learning partner, continued to provide technical assistance and collaborate and co-create with the Nigeria Learning Hub, led by the African Field Epidemiology Network (AFENET) and the Africa Health Budget Network (AHBN).
Semiannual Update
The April 2025 semiannual update for the Gavi Board and other stakeholders highlights the ZDLH consortium’s efforts to generate and share evidence for a deeper understanding of the factors that affect the implementation and performance of strategies to identify and reach zero-dose and under…
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Starting in 2010, JSI began exploring applying quality improvement practices and tools to the Reaching Every District strategy, an approach for immunization programs that had been used for years.
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How does evidence move from research reports to real policy change and program improvements? Join Gavi’s Zero-Dose Learning Hub (ZDLH) on Wednesday, June 11 at 9 a.m. ET / 3 p.m. CET for a webinar that will explore how local networks of stakeholders drive the uptake and use of evidence to…
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This summary provides brief highlights of the ZDLH's activities as the global learning partner from July–December 2024. See the country reports for a detailed summary of each country’s priorities, activities, progress, and learnings to date.
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With support from the ELMA Vaccines and Immunisation Foundation, UNICEF has been working to strengthen Uganda’s Expanded Program on Immunisation to better identify and reach zero-dose (ZD) and under-immunized (UI) children. In 2023, interventions were prioritized in the districts of Wakiso, Kamuli,…
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In Uganda, the Learning Hub has translated research into action by working closely with the Uganda National Expanded Programme on Immunization, the World Health Organization, district health teams, and village health teams to improve planning, outreach, and service delivery for zero-dose and under…
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In Nigeria, the Learning Hub has used knowledge translation to strengthen immunization financing through data-driven advocacy and stakeholder collaboration. By developing and applying the Immunization Accountability Framework, the Learning Hub supported government and civil society actors to track…
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In Mali, the Learning Hub has built a collaborative knowledge translation system anchored by the Collaborative Intelligence Platform—a tool for sharing evidence, coordinating stakeholders, and guiding decision-making. Through co-creation with partners such as the Centre National d'immunisation, the…
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In Bangladesh, the Learning Hub has played a critical role in supporting the uptake and expansion of interventions such as evening immunization sessions and an electronic screening checklist to identify zero-dose and under-immunized children. Through research, policy dialogues, and strategic…
General
Global health research is a powerful tool for informing policies, shaping interventions, and improving health outcomes. However, research findings may not always lead to change. To bridge the gap between knowledge and action, researchers need to implement strategic, well-designed knowledge…
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Research alone does not automatically translate into improved health outcomes, its true impact depends on how effectively findings are understood, communicated, and applied. This briefer explains why measuring knowledge translation (KT) is essential for determining whether research findings reach…
General
The Zero-Dose Learning Hub (ZDLH) provides technical and operational support to four Country Learning Hubs (CLHs) established in Bangladesh, Mali, Uganda, and Nigeria. The established CLHs represent a country- and community-driven approach to zero-dose (ZD) evidence generation, which is key to…
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Local engagement and context-specific strategies are essential to closing the immunization gap. The June 2025 Zero-Dose Learning Hub webinar showcased how local networks in Nigeria and Mali are turning evidence into action to reach zero-dose children. Presenters from the Nigeria and Mali Learning…
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Closing the zero-dose gap means addressing the real-world barriers caregivers face. In the May 2025 webinar hosted by Gavi’s Zero-Dose Learning Hub, experts from the Bangladesh and Uganda Learning Hubs and CHAI Cambodia, part of the Gates Foundation’s Zero-Dose Learning Agenda, shared challenges…
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This political economy analysis explores how governance structures, institutional dynamics, and decision-making processes affect the generation and use of evidence for immunization in Bangladesh. Conducted by IIHMR and icddr,b under the Gavi-funded Zero-Dose Learning Hub, the study highlights how…
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To better understand low immunization uptake, a pilot study tested a Decentralized Immunization Monitoring (DIM) approach in Kumbotso, Kano State, Nigeria. Using lot quality assurance sampling and the behavioral and social drivers of vaccination framework, researchers identified wards with low…
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A practical toolkit that equips researchers and M&E staff with clear methods for costing interventions targeting zero-dose and under-immunized children in low- and middle-income countries.