Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review

Abstract Aim This review aimed to synthesize scientific evidence on the access to vaccination among refugees, asylum seekers, and internally displaced persons (IDPs) in Sub-Saharan Africa (SSA). Method This systematic review was conducted in accordance with the PRISMA guidelines. PubMed, Embase, Web...

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Main Authors: Nsikakabasi Samuel George, Archibong Edem Bassey, Jeny Alejandra Aguilera Cruz, Marzena Tambor
Format: Article
Language:English
Published: Springer 2025-04-01
Series:Discover Public Health
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Online Access:https://doi.org/10.1186/s12982-025-00584-9
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author Nsikakabasi Samuel George
Archibong Edem Bassey
Jeny Alejandra Aguilera Cruz
Marzena Tambor
author_facet Nsikakabasi Samuel George
Archibong Edem Bassey
Jeny Alejandra Aguilera Cruz
Marzena Tambor
author_sort Nsikakabasi Samuel George
collection DOAJ
description Abstract Aim This review aimed to synthesize scientific evidence on the access to vaccination among refugees, asylum seekers, and internally displaced persons (IDPs) in Sub-Saharan Africa (SSA). Method This systematic review was conducted in accordance with the PRISMA guidelines. PubMed, Embase, Web of Science, Scopus, and CINAHL were searched for studies published between 2014 and 2024. Eligible publications were limited to studies in English language in peer-reviewed journals. Vaccination coverage, as well as barriers and facilitators to access vaccination for refugees, asylum seekers, and IDPs in SSA were considered as outcomes of interest. Results A total of 30 studies were included in the review, covering vaccines for 13 infectious diseases in 10 countries in SSA. Vaccine coverage and uptake varied and ranged from 26.2% for BCG to over 100% for meningitis vaccine. However, high dropout rates were reported for all vaccines indicating low uptake. Identified individual and systemic barriers were vaccine hesitancies and low awareness, competing priorities, busy schedule and absence, family and community influences, vaccine unavailability and stockouts, insecurity due to ongoing conflict, logistics and storage constraints, and long distances to health facilities. Facilitators included positive attitude towards vaccines, social mobilization and community engagement, leverage on existing structures, and clear vaccination policies. Conclusion This review shows varying vaccine coverage and low access, while underscoring the importance of multifaceted strategies to address existing challenges in ensuring more equitable vaccine access.
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spelling doaj-art-7fd55a331f5f47d59977b20a21333c9c2025-08-20T02:30:20ZengSpringerDiscover Public Health3005-07742025-04-0122112210.1186/s12982-025-00584-9Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic reviewNsikakabasi Samuel George0Archibong Edem Bassey1Jeny Alejandra Aguilera Cruz2Marzena Tambor3Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical CollegeWarwick Medical School, University of WarwickFaculty of Health, Medicine and Life Sciences, Maastricht UniversityInstitute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical CollegeAbstract Aim This review aimed to synthesize scientific evidence on the access to vaccination among refugees, asylum seekers, and internally displaced persons (IDPs) in Sub-Saharan Africa (SSA). Method This systematic review was conducted in accordance with the PRISMA guidelines. PubMed, Embase, Web of Science, Scopus, and CINAHL were searched for studies published between 2014 and 2024. Eligible publications were limited to studies in English language in peer-reviewed journals. Vaccination coverage, as well as barriers and facilitators to access vaccination for refugees, asylum seekers, and IDPs in SSA were considered as outcomes of interest. Results A total of 30 studies were included in the review, covering vaccines for 13 infectious diseases in 10 countries in SSA. Vaccine coverage and uptake varied and ranged from 26.2% for BCG to over 100% for meningitis vaccine. However, high dropout rates were reported for all vaccines indicating low uptake. Identified individual and systemic barriers were vaccine hesitancies and low awareness, competing priorities, busy schedule and absence, family and community influences, vaccine unavailability and stockouts, insecurity due to ongoing conflict, logistics and storage constraints, and long distances to health facilities. Facilitators included positive attitude towards vaccines, social mobilization and community engagement, leverage on existing structures, and clear vaccination policies. Conclusion This review shows varying vaccine coverage and low access, while underscoring the importance of multifaceted strategies to address existing challenges in ensuring more equitable vaccine access.https://doi.org/10.1186/s12982-025-00584-9VaccinesAccessSub-Saharan AfricaInternally displaced personsRefugees
spellingShingle Nsikakabasi Samuel George
Archibong Edem Bassey
Jeny Alejandra Aguilera Cruz
Marzena Tambor
Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review
Discover Public Health
Vaccines
Access
Sub-Saharan Africa
Internally displaced persons
Refugees
title Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review
title_full Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review
title_fullStr Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review
title_full_unstemmed Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review
title_short Access to vaccination among refugees, asylum seekers and internally displaced persons in Sub-Saharan Africa: a systematic review
title_sort access to vaccination among refugees asylum seekers and internally displaced persons in sub saharan africa a systematic review
topic Vaccines
Access
Sub-Saharan Africa
Internally displaced persons
Refugees
url https://doi.org/10.1186/s12982-025-00584-9
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