Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?

Abstract Immunization coverage inequity is a serious problem in many African countries, and this has implications for the persistent spread of vaccine-preventable diseases. “Hard-to-reach populations” is widely used to describe communities that are difficult to reach with vaccination services on acc...

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Main Authors: Abdu A. Adamu, Chukwudi A. Nnaji, Charles S. Wiysonge
Format: Article
Language:English
Published: Springer 2025-05-01
Series:Discover Public Health
Subjects:
Online Access:https://doi.org/10.1186/s12982-025-00627-1
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author Abdu A. Adamu
Chukwudi A. Nnaji
Charles S. Wiysonge
author_facet Abdu A. Adamu
Chukwudi A. Nnaji
Charles S. Wiysonge
author_sort Abdu A. Adamu
collection DOAJ
description Abstract Immunization coverage inequity is a serious problem in many African countries, and this has implications for the persistent spread of vaccine-preventable diseases. “Hard-to-reach populations” is widely used to describe communities that are difficult to reach with vaccination services on account of geographic, social, or economic circumstances. However, insights from existing studies on factors that affect access to vaccination services in African contexts highlight a preponderance of supply-side problems compared to demand-side issues. This suggests that suboptimal vaccination coverage in these settings has more to do with vaccination services being “hard to deliver” than populations being hard to reach. Therefore, there is a need to use “hard-to-reach population” in reference to immunization with caution. This perspective article advocates for policy-makers and health authorities in Africa to re-evaluate why they struggle to achieve optimal vaccination coverage across diverse settings and reimagine current vaccination service delivery models through an equity lens. Some suggested areas of focus are also outlined.
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issn 3005-0774
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spelling doaj-art-a5c54672cfba424a8b754ba5b2568aae2025-08-20T03:09:34ZengSpringerDiscover Public Health3005-07742025-05-012211510.1186/s12982-025-00627-1Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?Abdu A. Adamu0Chukwudi A. Nnaji1Charles S. Wiysonge2Polio Eradication Programme, World Health Organization Region Office for AfricaSchool of Public Health and Family Medicine, University of Cape TownVaccine-Preventable Diseases Programme, World Health Organization Regional Office for AfricaAbstract Immunization coverage inequity is a serious problem in many African countries, and this has implications for the persistent spread of vaccine-preventable diseases. “Hard-to-reach populations” is widely used to describe communities that are difficult to reach with vaccination services on account of geographic, social, or economic circumstances. However, insights from existing studies on factors that affect access to vaccination services in African contexts highlight a preponderance of supply-side problems compared to demand-side issues. This suggests that suboptimal vaccination coverage in these settings has more to do with vaccination services being “hard to deliver” than populations being hard to reach. Therefore, there is a need to use “hard-to-reach population” in reference to immunization with caution. This perspective article advocates for policy-makers and health authorities in Africa to re-evaluate why they struggle to achieve optimal vaccination coverage across diverse settings and reimagine current vaccination service delivery models through an equity lens. Some suggested areas of focus are also outlined.https://doi.org/10.1186/s12982-025-00627-1VaccinationVaccinesHard-to-reachEquityAfrica
spellingShingle Abdu A. Adamu
Chukwudi A. Nnaji
Charles S. Wiysonge
Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?
Discover Public Health
Vaccination
Vaccines
Hard-to-reach
Equity
Africa
title Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?
title_full Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?
title_fullStr Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?
title_full_unstemmed Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?
title_short Vaccination services—not populations—are ‘hard-to-reach’: what can health authorities in Africa do to improve access?
title_sort vaccination services not populations are hard to reach what can health authorities in africa do to improve access
topic Vaccination
Vaccines
Hard-to-reach
Equity
Africa
url https://doi.org/10.1186/s12982-025-00627-1
work_keys_str_mv AT abduaadamu vaccinationservicesnotpopulationsarehardtoreachwhatcanhealthauthoritiesinafricadotoimproveaccess
AT chukwudiannaji vaccinationservicesnotpopulationsarehardtoreachwhatcanhealthauthoritiesinafricadotoimproveaccess
AT charlesswiysonge vaccinationservicesnotpopulationsarehardtoreachwhatcanhealthauthoritiesinafricadotoimproveaccess