Despite unprecedented communication campaigns, many governments faced some degree of COVID-19 vaccine hesitancy.1,2 In Belgium, French-speaking regions (Brussels and Wallonia) are of particular interest, as their vaccination rates are lower than that in Flanders. In October 2021, the government enacted a Covid Safe Ticket (CST) pass, which conditioned access to several public and private facilities on proof of complete vaccination, recovery, or a negative polymerase chain reaction test. COVID-19 passes have been implemented to fight the epidemic and were moderately effective in incentivizing vaccination, notably in France.3 In this study, we examine the reasons people who were initially resistant to the vaccine ended up getting vaccinated.
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Accepted for Publication: August 16, 2022.
Published: September 16, 2022. doi:10.1001/jamanetworkopen.2022.34433
Correction: This article was corrected on October 18, 2022, to fix an error in the author affiliations, and on March 1, 2023, to fix the spelling of an author’s surname.
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2022 Gbenonsi GY et al. JAMA Network Open.
Corresponding Author: Gloria Yawavi Gbenonsi, MPH, School of Public Health, Université libre de Bruxelles, Campus Erasme, Route de Lennik 808, 1070 Brussels, Belgium (email@example.com).
Author Contributions: Mrs Gbenonsi and Dr Jidovtseff had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Gbenonsi, Jidovtseff, Servais, Vermeulen, Paul.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Gbenonsi, Vermeulen, Paul.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Gbenonsi, Jidovtseff.
Administrative, technical, or material support: Labat, Oleffe, Servais, Paul.
Supervision: Vermeulen, Paul.
Conflict of Interest Disclosures: None reported.
Additional Contributions: We thank Morgane Guyomarch, fellow MPH student with Mrs Gbenonsi and intern at Université libre de Bruxelles, under the supervision of Dr Paul, Mrs Labat, and Mrs Oleffe, for fruitful contributions on the qualitative part of data analysis. We thank Pierre-Francois Laterre, PhD (Catholic University of Louvain), for his contribution to the questionnaire and proofreading of the manuscript.
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