Resource Library
The following resource library features a curated repository of evidence-based measurement, monitoring, and learning resources, multimedia tools, methodological tools, templates, guidance, and approaches, as well as existing evidence from each country and resources generated by the ZDLH. Please check back regularly as resources are added on a rolling basis. You may also suggest a resource to be considered for inclusion through our contact form.
Displaying 126 resources.
Published in
by JSI, IIHMR
This Zero-Dose Learning Hub toolkit provides practical guidance for designing, implementing, monitoring, and evaluating immunization programs that focus on identifying and reaching zero-dose (ZD) and under-immunized (UI) children using theory-based approaches.
Published in
by JSI
The Operational Guidance: Estimating the Costs of Interventions to Reach Zero-Dose Children is a practical toolkit that equips researchers and monitoring, evaluation, and learning staff with clear methods for costing interventions targeting zero-dose and under-immunized children in low-
Published in
by JSI
Research alone does not automatically translate into improved health outcomes, its true impact depends on how effectively findings are understood, communicated, and applied.
Published in
by icddrb, Jhpiego
In January 2026, icddr,b hosted a dissemination seminar to share results from the Learning Hub study on identifying and reaching zero-dose and under-immunized children in Bangladesh. Chaired by Dr. Sara Maria Salway and attended by Mr. A. T. M.
Published in
by IDRC, PATH
This report evaluates strategies implemented between March 2024 and August 2025 to reach zero-dose (ZD) children in Uganda’s Wakiso, Kasese, and Mubende districts.
Published in
by icddrb, Jhpiego
To improve equity, the study suggests implementing alternate session hours (evenings/weekends), increasing health worker outreach in "missed communities," and conducting targeted gender-sensitive communication to encourage vaccination for female infants.
Published in
by GaneshAID, USTTB, Center for Vaccine Development-Mali
Le rapport de la Phase 2 de la recherche d’implémentation du CAPEV (Mali) documente l’introduction et la mise en œuvre réelle de l’outil numérique de coaching de performance Coach2PEV (C2P) dans les districts de Ségou, Bougouni et Niono.
Published in
by icddrb, Jhpiego
This study from the Bangladesh Country Learning Hub evaluates innovative strategies to identify and reach children in missed communities—including hard-to-reach coastal, hilly, and urban slum areas.
Published in
by AFENET, AHBN
Nigeria's Decentralized Immunization Monitoring (DIM) Round 3 assessment confirms progress in strengthening routine immunization performance across the eight Learning Hub local government areas (LGAs) in Bauchi, Borno, Kano, and Sokoto States.
Published in
by GaneshAID, USTTB, Center for Vaccine Development
The Mali Learning Hub conducted the first-phase of implementation research to evaluate two innovations—Coach2Pev (C2P) and MEDEXIS—introduced in Mali to reduce zero-dose and under-vaccinated children across four district typologies: urban/peri-urban, rural remote, conflict-affected, and special p
Published in
by JSI
The Zero-Dose Learning Hub (ZDLH) established by Gavi, the Vaccine Alliance, is focused on the outcome of timely, increased, and sustainable use of evidence to improve global, regional, and country immunization programs and policies in alignment with the Gavi 5.0 Strategy and Identify, Reach, Mon
Published in
by JSI
During the period January–June 2025, JSI, as the Zero-Dose Learning Hub (ZDLH) global learning partner, continued to provide technical assistance and collaborate closely with the Nigeria Learning Hub, led by the African Field Epidemiology Network and the Africa Health Budget Network.
Published in
by JSI
This semiannual update synthesizes evidence, progress, and lessons learned documenting Mali’s efforts to strengthen data systems, improve digital readiness, and translate evidence into practical action to reach missed children.
Published in
by JSI
This semiannual report highlights how implementation research and learning have informed national strategies to identify and reach zero-dose (ZD) and under-immunized (UI) children in Bangladesh. Key insights include the effectiveness of modified immunization schedules, digital screening tools, and…
Published in
by Johns Hopkins University
The VERSE Toolkit provides a standardized approach for assessing and tracking vaccine coverage inequities and their economic impact.
Published in
by JSI
This semiannual update highlights the Uganda Learning Hub’s evolving research portfolio and the use of evidence to understand and address persistent barriers to identifying and reaching zero-dose (ZD) and under-immunized (UI) children and missed communities.
Published in
by IDRC, PATH
This report from the Uganda Zero-Dose Learning Hub presents findings from a costing study conducted during the 2024 Big Catch-Up campaign.
Published in
by AFENET, Kano State PHCDA, JSI, LSTM, Gates Foundation, Gavi, AHBN, NPHCDA
To better understand low immunization uptake, a pilot study tested a Decentralized Immunization Monitoring (DIM) approach in Kumbotso, Kano State, Nigeria.
Published in
by IIHMR, icddrb
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.
Published in
by JSI
Closing the zero-dose gap means addressing the real-world barriers caregivers face.