Loading...

Vaccine coverage

Vaccines are a powerful tool for saving lives and improving health, but their power can be diluted by gaps in coverage. We study routine childhood immunizations to understand and address these gaps.

Photo by Heather Hazzan for SELF magazine, Flickr.

15.6 million children missed routine vaccinations with three doses of the diphtheria, tetanus, and pertussis vaccine from 2020 to 2023 due to the COVID-19 pandemic.
Over 99% of measles cases and deaths occur in low- and middle-income countries; all of these could be prevented by vaccination.
Coverage doubled globally for four major childhood vaccines between 1980 and 2023.

Publications

Scientific Publication

Global, regional, and national trends in routine childhood vaccination coverage from 1980 to 2023 with forecasts to 2030: a systematic analysis for the Global Burden of Disease Study 2023

Since its inception in 1974, the Essential Programme on Immunization (EPI) has achieved remarkable success, averting the deaths of an estimated 154 million children worldwide through routine childhood vaccination.

Scientific Publication

Evaluating scope and bias of population-level measles serosurveys

In this study, we conducted a systematized review and bias assessment of all primary data on measles seroprevalence in low- and middle-income countries (as defined by World Bank 2021 income classifications) published from 1962 to 2021.

Data visuals

Interactive Data Visual

Vaccines

Study local patterns of DTP, BCG, MCV and Polio vaccination coverage for 100+ countries from 2000 to 2024.

Interactive Data Visual

COVID-19 vaccine hesitancy

View areas of the US that would benefit most from increased vaccination acceptance.

Report

2016 Gavi FCE Annual Dissemination Report: Cross-Country Findings

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.

Report

Uganda: Findings from the 2016 Gavi Full Country Evaluations

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.

Report

Zambia: Findings from the 2016 Gavi Full Country Evaluations

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.

Evaluation project

Evaluating Gavi immunization programs

In Bangladesh, Mozambique, Uganda, and Zambia, we collected data and analyzed vaccination programs run by Gavi, the Vaccine Alliance.