Immunization outcomes depend on behavior, including caregivers seeking services, providers following protocols, and communities trusting the system. Yet social and behavior change initiatives are rarely institutionalized or consistently funded, often buried in budget lines without clear accountabili...

A new JSI article on Gavi's VaccinesWork platform synthesizes findings from the Zero-Dose Learning Hub across Bangladesh, Mali, Nigeria, and Uganda, and makes a compelling case that the field's default approaches to reaching zero-dose children are incomplete without corresponding attention to subdis...

What does it actually cost to reach every zero-dose child? Immunization programs can face challenges in planning and budgeting if they lack rigorous, bottom-up costing data for targeted interventions, particularly those designed to reach missed and under-immunized children. To help address this gap...

Asking whether an intervention worked is not enough. Immunization programs also need to understand how and why change occurred, especially when reaching zero-dose and under-immunized children in complex settings. The Zero-Dose Learning Hub’s new Theory-Based Evaluation Toolkit supports governments ...

A recent VaccinesWork blog post reflects on the Zero-Dose Learning Hub’s accomplishments during 2025, highlighting how implementation research was translated into practical tools, guidance, and shared learning. Drawing on experience from Bangladesh, Mali, Nigeria, and Uganda, the blog post shows how...

Reaching zero-dose children requires evidence that can be applied in real programs and policy decisions. A new post on Gavi’s VaccinesWork blog shows how the Zero-Dose Learning Hub is translating implementation research from Bangladesh, Mali, Nigeria, and Uganda into practical tools and insights tha...

The Zero-Dose Learning Hub, led by JSI, has released its October 2025 semiannual reports, sharing new implementation research and system insights from Bangladesh, Mali, Nigeria, and Uganda. These findings offer practical lessons for practitioners and program leaders, highlighting the factors that co...

The Zero-Dose Learning Hub has launched a new toolkit to help country teams, partners, and technical groups apply theory-based evaluation to strengthen immunization programming. The resource offers practical guidance on developing and revisiting theories of change, clarifying assumptions, and mappin...

What does it truly cost to reach every zero-dose child? Immunization programs often struggle with accurate budgeting and resource allocation due to a lack of rigorous, bottom-up costing data for targeted interventions. To address this critical gap, the JSI-led Zero-Dose Learning Hub has launched a ...

Over 50 new vaccine options have launched in less than a decade — an unprecedented opportunity for governments to optimise routine immunisation: ✅ higher coverage ✅ reduced costs ✅ better cold chain use ✅ stronger supply security Despite this progress, uptake remains difficult to predict—especially ...

The Zero-Dose Learning Hub (ZDLH), led by JSI and funded by Gavi, the Vaccine Alliance, is pleased to share its latest peer-reviewed publication in Vaccines. The study, conducted by the Nigeria Country Learning Hub, piloted a decentralized immunization monitoring (DIM) approach in Kumbotso LGA, Kano...

What does it take to reach zero-dose children? The Zero-Dose Learning Hub (ZDLH), led by JSI and funded by Gavi, the Vaccine Alliance, convened vaccination experts from Country Learning Hubs, the Gates Foundation, and Clinton Health Access Initiative to share recommendations in an interactive webina...

Meet the changemakers advancing immunization equity in Nigeria. This new video from the Nigeria Learning Hub highlights the GEMEL Fellowship, an initiative led by AFENET and AHBN to build local capacity and reach zero-dose children. Watch how fellows are strengthening health systems and helping ensu...

How do local networks of zero-dose (ZD) stakeholders shape stronger immunization strategies? Join Gavi’s Zero-Dose Learning Hub (ZDLH) on Wednesday, June 11, for a 90-minute webinar featuring country teams from Mali and Nigeria and the Gates Foundation’s Zero-Dose Learning Agenda. Speakers will sha...

Join Gavi’s Zero-Dose Learning Hub and the Gates Foundation’s Zero-Dose Learning Agenda on Wednesday, May 28, for a webinar that explores the spectrum of factors influencing the ability to identify, monitor, and measure zero-dose children and missed communities. This 90-minute webinar will feature i...

Measurement is often the missing, yet essential, ingredient in knowledge translation (KT) plans. Proper measurement can tell us if our KT impact extended beyond dissemination to shape policies, programs, and services. In the latest blog post from Gavi’s Zero-Dose Learning Hub, we explore practical s...

Publishing research isn’t enough—translating it into action is what drives real impact. This is where knowledge translation (KT) comes in. A well-designed KT plan helps ensure research findings inform policy decisions and strengthen health systems. It typically includes five key steps: Set clear ...

How can program implementers turn research into real health improvements? The Bangladesh Learning Hub provides an example.  Through the Gavi-funded Zero-Dose Learning Hub, the team applied knowledge translation (KT) best practices to strengthen immunization services. After conducting implement...

You are invited to join this webinar that will take a deep dive into immunization service delivery and supply chain data, presented by JSI and hosted by TechNet. Tuesday, March 4 at 9:00 AM EST/3:00 PM CET/5:00 PM EAT Lack of accurate consumption data, and true wastage data may be contributing to ...

Dear partners, In 2024, the Zero-Dose Learning Hub published more than 40 resources on the ZDLH website about better identifying and reaching zero-dose (ZD) children with life-saving vaccinations, reflecting the Learning Hub’s commitment to strengthening immunization systems globally, especially in...