Long-term spatial patterns in COVID-19 booster vaccine uptake

Abstract Background Vaccination is a critical tool for controlling infectious diseases, with its use to protect against COVID-19 being a prime example. Where a disease is highly transmissible, even a small proportion of unprotected individuals can have substantial implications for disease burden and...

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Main Authors: Anthony J. Wood, Anne Marie MacKintosh, Martine Stead, Rowland R. Kao
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Communications Medicine
Online Access:https://doi.org/10.1038/s43856-025-00949-w
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author Anthony J. Wood
Anne Marie MacKintosh
Martine Stead
Rowland R. Kao
author_facet Anthony J. Wood
Anne Marie MacKintosh
Martine Stead
Rowland R. Kao
author_sort Anthony J. Wood
collection DOAJ
description Abstract Background Vaccination is a critical tool for controlling infectious diseases, with its use to protect against COVID-19 being a prime example. Where a disease is highly transmissible, even a small proportion of unprotected individuals can have substantial implications for disease burden and control. As factors such as deprivation and ethnicity have been shown to influence uptake rates, identifying how uptake varies with socio-demographic indicators is critical for reducing hesitancy and issues of access and identifying plausible future uptake patterns. Methods We analyse COVID-19 booster vaccinations in Scotland, subdivided by age, sex, dose and location. Linking to public demographic data, we use Random Forests to fit patterns in first booster uptake, with systematic variation restricted to  ~ 1km in urban areas. We introduce a method to predict future distributions using our first booster model, assuming existing trends over deprivation will persist. This provides a quantitative estimate of the impact of changing motivations and efforts to increase uptake. Results While age and sex have the greatest impact on the model fit, there is a substantial influence of community deprivation and the proportion of residents belonging to a black or minority ethnicity. Differences between first and second boosters suggest in the longer-term that the impact of deprivation is likely to increase. Conclusions This would further the disproportionate impact of COVID-19 on deprived communities. Our methods are based solely on public demographic data and routinely recorded vaccination data, and would be easily adaptable to other countries and vaccination campaigns where data recording is similar.
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spelling doaj-art-4b1d2f0ad7a64ec5a35a2085db3c74ff2025-08-20T03:45:31ZengNature PortfolioCommunications Medicine2730-664X2025-07-01511910.1038/s43856-025-00949-wLong-term spatial patterns in COVID-19 booster vaccine uptakeAnthony J. Wood0Anne Marie MacKintosh1Martine Stead2Rowland R. Kao3Roslin Institute, University of EdinburghInstitute for Social Marketing and Health, University of StirlingInstitute for Social Marketing and Health, University of StirlingRoslin Institute, University of EdinburghAbstract Background Vaccination is a critical tool for controlling infectious diseases, with its use to protect against COVID-19 being a prime example. Where a disease is highly transmissible, even a small proportion of unprotected individuals can have substantial implications for disease burden and control. As factors such as deprivation and ethnicity have been shown to influence uptake rates, identifying how uptake varies with socio-demographic indicators is critical for reducing hesitancy and issues of access and identifying plausible future uptake patterns. Methods We analyse COVID-19 booster vaccinations in Scotland, subdivided by age, sex, dose and location. Linking to public demographic data, we use Random Forests to fit patterns in first booster uptake, with systematic variation restricted to  ~ 1km in urban areas. We introduce a method to predict future distributions using our first booster model, assuming existing trends over deprivation will persist. This provides a quantitative estimate of the impact of changing motivations and efforts to increase uptake. Results While age and sex have the greatest impact on the model fit, there is a substantial influence of community deprivation and the proportion of residents belonging to a black or minority ethnicity. Differences between first and second boosters suggest in the longer-term that the impact of deprivation is likely to increase. Conclusions This would further the disproportionate impact of COVID-19 on deprived communities. Our methods are based solely on public demographic data and routinely recorded vaccination data, and would be easily adaptable to other countries and vaccination campaigns where data recording is similar.https://doi.org/10.1038/s43856-025-00949-w
spellingShingle Anthony J. Wood
Anne Marie MacKintosh
Martine Stead
Rowland R. Kao
Long-term spatial patterns in COVID-19 booster vaccine uptake
Communications Medicine
title Long-term spatial patterns in COVID-19 booster vaccine uptake
title_full Long-term spatial patterns in COVID-19 booster vaccine uptake
title_fullStr Long-term spatial patterns in COVID-19 booster vaccine uptake
title_full_unstemmed Long-term spatial patterns in COVID-19 booster vaccine uptake
title_short Long-term spatial patterns in COVID-19 booster vaccine uptake
title_sort long term spatial patterns in covid 19 booster vaccine uptake
url https://doi.org/10.1038/s43856-025-00949-w
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