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Review
. 2022 Mar 3;10(3):386.
doi: 10.3390/vaccines10030386.

The Effectiveness of Interventions for Increasing COVID-19 Vaccine Uptake: A Systematic Review

Eleonore Batteux  1   2 , Freya Mills  1 , Leah Ffion Jones  1 , Charles Symons  1 , Dale Weston  1
Affiliations
Review

The Effectiveness of Interventions for Increasing COVID-19 Vaccine Uptake: A Systematic Review

Eleonore Batteux et al. Vaccines (Basel). .

Abstract

Vaccination is vital to protect the public against COVID-19. The aim of this systematic review is to identify and evaluate the effectiveness of interventions to increase COVID-19 vaccine uptake. We searched a range of databases (Embase, Medline, Psychology & Behavioral Science, PsycInfo, Web of Science and NIH Preprints Portfolio) from March 2020 to July 2021 for studies which reported primary quantitative or qualitative research on interventions to increase COVID-19 vaccine uptake. Outcome measures included vaccination uptake and reported intention to vaccinate. Reviews, position papers, conference abstracts, protocol papers and papers not in English were excluded. The NHLBI quality assessment was used to assess risk of bias. In total, 39 studies across 33 papers met the inclusion criteria. A total of 28 were assessed as good quality. They included interventions relating to communication content, communication delivery, communication presentation, policy or vaccination delivery, with 7 measuring vaccination uptake and 32 measuring vaccination intention. A narrative synthesis was conducted, which highlighted that there is reasonable evidence from studies investigating real behaviour suggesting that personalising communications and sending booking reminders via text message increases vaccine uptake. Findings on vaccination intention are mixed but suggest that communicating uncertainty about the vaccine does not decrease intention, whereas making vaccination mandatory could have a negative impact. Although much of the research used experimental designs, very few measured real behavioural outcomes. Understanding which interventions are most effective amongst vaccine-hesitant populations and in the context of booster vaccinations will be important as vaccine roll outs continue across the world.

Keywords: COVID-19; behaviour change; interventions; systematic review; vaccine uptake; vaccines.

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Conflict of interest statement

The authors declare no conflict of interest. No external funding organisation had a role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.

Figures

Figure 1
Figure 1
PRISMA flow diagram of the identification of studies.
See this image and copyright information in PMC

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