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Gavi immunization programs


Skip to: Study methods | Survey instruments | Funding and partners | Findings and reports

The Gavi Full Country Evaluations (FCE) were mixed-methods evaluations, covering the full results framework from inputs to impact over the period of 2013 to 2016. The FCE were three-year prospective studies that aimed to understand and quantify the barriers to and drivers of immunization program performance, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia. IHME conducted the evaluation to determine how Gavi’s process, products, and resources work at the country level to influence immunization-related outcomes.

With the help of universities and health institutes in each country, IHME gathered real-time data in order to provide feedback to Gavi and country stakeholders. The Gavi FCE mixed-methods evaluations collected data and conducted analysis at the national and subnational levels where possible. This permitted a more distinct examination of factors influencing successful program implementation and a more informed understanding of the factors that moderated the relationship between Gavi support and downstream indicators such as immunization coverage and child mortality.

nurses attending patients at a hospital in Uganda

Study methods

  • The process evaluation examined the interface between the Vaccine Alliance and countries as Gavi inputs (financing, technical assistance, information, instruments/guidelines, and personal interactions) are applied for, received, and implemented. The process evaluation involved three different evaluation activities:
  1. Stakeholder network analysis: How are stakeholders at the local and international levels influencing the implementation of Gavi support?
  2. Process tracking: How does implementation of Gavi support compare to planned activities?
  3. Targeted studies including Milestone Event Studies and Contingent Studies: Flexible studies to focus on key topics of high priority to countries.
  • The resource tracking component of this evaluation aimed to identify the flow and use of resources (financing, commodities, and technical assistance) for immunization programs. Adapting and applying existing RT tools like the National Health Accounts (NHA) framework and the Public Expenditure Tracking Survey (PETS) methodology, the RT component investigated research questions of interest to both Gavi and in-country stakeholders.
  • Health facility surveys were employed to measure constraints to immunization delivery from both the supply side (such as vaccine cold-chain integrity) and demand side (such as health care seeking), as well as barriers to immunization delivery, to identify whether resources are being directed where they are most needed.
  • Household surveys were employed to measure population-based indicators, including vaccine antibodies, and geographically complementing health facility and resources tracking data to allow for cross-method analysis.
  • Vaccine effectiveness studies were used to measure true effectiveness of vaccines in the population using novel methods such as overlapping demographic and disease surveillance, nasopharyngeal carriage studies, and case-control.
  • Novel outcome and impact analyses were used to analyze primary and secondary data using novel statistical methods to estimate trends over time at the subnational level and use difference-in-differences analyses at the subnational level to examine causal attribution. The outcome and impact evaluation analysis involved these elements:
    • National- and subnational-level estimation of trends in key indicators by combining all available data
    • Socioeconomic-related inequalities analysis
    • District-level difference-in-differences analysis
    • Cost-effectiveness analysis 

In addition to improving future immunization activities, the prospective nature of the evaluation provided real-time feedback on vaccine program implementation to Gavi and country stakeholders, which allowed for timely action by country leaders and implementers, Gavi, and Vaccine Alliance partners. Last, the methods developed and utilized by the FCE were designed to be exportable and adaptable to future contexts and countries.

Survey instruments and protocols

Relevant survey data and protocols collected by IHME and local partner organizations for the Gavi FCE can be found on the Global Health Data Exchange (GHDx).

Go to the GHDx

Funding and partners

The evaluations were carried out by a consortium of research partners led by IHME and were financed through Gavi, the Vaccine Alliance, a public-private partnership that funds and improves access to vaccination in the world’s poorest countries.

The Gavi FCE team harnessed the expertise of numerous distinguished organizations. The evaluation work in each of the four countries is led by the respective in-country institutions:

  • University of Eduardo Mondlane (UEM), Mozambique
  • Health Alliance International (HAI), Mozambique
  • Manhiça Health Research Centre (CISM), Mozambique
  • icddr,b, Bangladesh
  • Infectious Diseases Research Collaboration (IDRC), Uganda
  • University of Zambia (UNZA), Zambia
  • PATH, US

Findings and reports

Chart of evaluations framework
December 23, 2020
Lessons learned from implementing prospective, multicountry mixed-methods evaluations for Gavi and the Global Fund
Research Article
As global health programs have become increasingly complex, corresponding evaluations must be designed to assess the full complexity of these programs. Gavi and the Global Fund have commissioned 2 such evaluations to assess the full spectrum of their investments using a prospective mixed-methods approach. We aim to describe lessons learned from implementing these evaluations.
June 13, 2017
Overview of Gavi Full Country Evaluations Findings, 2013-2016: Cross-Country
Policy Report
This brief provides an overview of cross-country findings for the 2013-2016 Full Country Evaluations (FCE). The FCE is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia. 
June 13, 2017
Overview of Gavi Full Country Evaluations Findings, 2013-2016: Bangladesh
Policy Report
This brief provides an overview of findings in Bangladesh for the 2013-2016 Full Country Evaluations (FCE). The FCE is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement.
June 13, 2017
Overview of Gavi Full Country Evaluations Findings, 2013-2016: Mozambique
Policy Report
This brief provides an overview of findings in Mozambique for the 2013-2016 Full Country Evaluations (FCE). The FCE is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement.
June 13, 2017
Overview of Gavi Full Country Evaluations Findings, 2013-2016: Uganda
Policy Report
This brief provides an overview of findings in Uganda for the 2013-2016 Full Country Evaluations (FCE). The FCE is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement.
June 13, 2017
Overview of Gavi Full Country Evaluations Findings, 2013-2016: Zambia
Policy Report
This brief provides an overview of findings Zambia for the 2013-2016 Full Country Evaluations (FCE). The FCE is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement.
May 19, 2017
Bangladesh: Findings from the 2016 Gavi Full Country Evaluations
Policy Report
This report presents findings for Bangladesh from the 2016 Gavi Full Country Evaluations Annual Dissemination Report. The Gavi Full Country Evaluations (FCE) is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia.
May 19, 2017
Mozambique: Findings from the 2016 Gavi Full Country Evaluations
Policy Report
This report presents findings for Mozambique from the 2016 Gavi Full Country Evaluations Annual Dissemination Report. The Gavi Full Country Evaluations (FCE) is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia.
May 19, 2017
Zambia: Findings from the 2016 Gavi Full Country Evaluations
Policy Report
This report presents findings for Zambia from the 2016 Gavi Full Country Evaluations Annual Dissemination Report. The Gavi Full Country Evaluations (FCE) is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia.
May 19, 2017
Uganda: Findings from the 2016 Gavi Full Country Evaluations
Policy Report
This report presents findings for Uganda from the 2016 Gavi Full Country Evaluations Annual Dissemination Report. The Gavi Full Country Evaluations (FCE) is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia. 
May 19, 2017
2016 Gavi FCE Annual Dissemination Report: Cross-Country Findings
Policy Report
This report presents cross-country findings from the 2016 Gavi Full Country Evaluations Annual Dissemination Report. The Gavi Full Country Evaluations (FCE) is a prospective study covering the period 2013–2016 with the aim of understanding and quantifying the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in four countries: Bangladesh, Mozambique, Uganda, and Zambia.
May 4, 2016
2015 Dissemination Report
Policy Report
The Gavi Full Country Evaluations (FCE) are prospective studies covering the period 2013-2016 that aim to understand and quantify the barriers to and drivers of immunization program improvement, with emphasis on the contribution of Gavi, the Vaccine Alliance in Bangladesh, Mozambique, Uganda, and Zambia. This third annual dissemination report complements previous reports by providing key findings and recommendations for the 2015 evaluation period in the four evaluation countries.
April 29, 2016
Mozambique: Findings from the 2015 Gavi Full Country Evaluations
Policy Report
This report presents findings for Mozambique from the 2015 Gavi Full Country Evaluations (FCE) Annual Dissemination Report.
April 29, 2016
Uganda: Findings from the 2015 Gavi Full Country Evaluations
Policy Report
This report presents findings for Uganda from the 2015 Gavi Full Country Evaluations (FCE) Annual Dissemination Report.
April 29, 2016
Zambia: Findings from the 2015 Gavi Full Country Evaluations
Policy Report
This report presents findings for Zambia from the 2015 Gavi Full Country Evaluations (FCE) Annual Dissemination Report.
April 29, 2016
2015 Cross-Country Evaluation Brief
Policy Report
This brief provides an overview of cross-country findings from the 2015 evaluation year.
April 29, 2016
Bangladesh: Findings from the 2015 Gavi Full Country Evaluations
Policy Report
This report presents findings for Bangladesh from the 2015 Gavi Full Country Evaluations (FCE) Annual Dissemination Report.
September 25, 2015
Alliance Management Response: 2014 Full Country Evaluations Report
Policy Report
This document, authored by Gavi, the Vaccine Alliance, outlines the Alliance's management response to the findings and recommendations of the 2014 Dissemination Report for the Full Country Evaluations. It details the Alliance response to each finding and indicates responsible parties and expected timing of relevant actions.
September 8, 2015
2014 Dissemination Report
Policy Report
This report details findings from the 2014 evaluation period of the Gavi Full Country Evaluations (FCE) project in Bangladesh, Mozambique, Uganda, and Zambia. The FCE are three-year prospective studies that aim to understand and quantify the barriers to and drivers of immunization program performance, with emphasis on the contribution of Gavi, the Vaccine Alliance.
September 8, 2015
Human Papillomavirus Vaccine: Lessons Learned from the 2014 Gavi Full Country Evaluations
Policy Report
This brief presents lessons learned from human papillomavirus (HPV) vaccine demonstration in Mozambique and preparation for HPV national introduction in Uganda during the 2014 period of the Gavi Full Country Evaluations (FCE).

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