ArticleVaccine2023
The effect of vaccine mandate announcements on vaccine uptake in Canada: An interrupted time series analysis.
Article in Vaccine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- The syndemic nexus: How vaccine hesitancy and COVID-19 interact to influence vaccine uptake among university students.Human vaccines & immunotherapeutics · 2026Article
- 'I took the vaccine to protect myself': determinants of COVID-19 vaccine confidence in Indigenous communities in Northwest Territories, Canada.Health promotion international · 2026Article
- The good, the bad, and the ugly: A qualitative evaluation of web-based COVID-19 vaccine communication in Canada.Human vaccines & immunotherapeutics · 2025Article
- "I think of it as planting seeds": challenging patient-provider discussions about COVID-19 vaccination: a qualitative study.BMC primary care · 2025Article
- COVID-19 Vaccination in Canadian Dental Schools.Journal of public health dentistry · 2025Article
- Impact of vaccine mandates and removals on COVID-19 vaccine uptake in Australia and international comparators: a study protocol.BMJ open · 2025Article
- Application of an Innovative Methodology to Build Infrastructure for Digital Transformation of Health Systems: Developmental Program Evaluation.JMIR formative research · 2025Article
- Socioeconomic Differences in Vaccination Coverage After a Mandatory Vaccination Law, 1855-1900.JAMA network open · 2025Article
- An Interrupted Time Series Analysis of the Impact of the COVID-19 Pandemic on Routine Vaccination Uptake in Kenya.Vaccines · 2024Article
- SARS-CoV-2 vaccination in Canadian blood donors: Insight into donor representativeness of the general population.Vaccine: X · 2024Article
- Public attitudes towards COVID-19 vaccine mandates and vaccine certificates in Canada: a time series study.Archives of public health = Archives belges de sante publique · 2024Article
- Article
- COVID-19 Vaccine Mandates and Vaccine Hesitancy among Black People in Canada.International journal of environmental research and public health · 2023Article
- The barriers, facilitators and association of vaccine certificates on COVID-19 vaccine uptake: a scoping review.Globalization and health · 2023Article
- Herpes zoster and human papillomavirus vaccination opportunities identified using electronic prompts at the time of scheduling influenza or COVID-19 vaccines.Canadian pharmacists journal : CPJ = Revue des pharmaciens du Canada : RPCArticle
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionIn 2021, the ten provinces in Canada enacted COVID-19 vaccine mandates that restricted access to non-essential businesses and services to those that could provide proof of full vaccination to decrease the risk of transmission and provide an incentive for vaccination. This analysis aims to examine the effects of vaccine mandate announcements on vaccine uptake over time by age group and province.
methodsAggregated data from the Canadian COVID-19 Vaccination Coverage Surveillance System (CCVCSS) were used to measure vaccine uptake (defined as the weekly proportion of individuals who received at least one dose) among those 12 years and older following the announcement of vaccination requirements. We performed an interrupted time series analysis using a quasi-binomial autoregressive model adjusted for the weekly number of new COVID-19 cases, hospitalizations, and deaths to model the effect of mandate announcements on vaccine uptake. Additionally, counterfactuals were produced for each province and age group to estimate vaccine uptake without mandate implementation.
resultsThe times series models demonstrated significant increases in vaccine uptake following mandate announcement in BC, AB, SK, MB, NS, and NL. No trends in the effect of mandate announcements were observed by age group. In AB and SK, counterfactual analysis showed that announcement were followed by 8 % and 7 % (310,890 and 71,711 people, respectively) increases in vaccination coverage over the following 10 weeks. In MB, NS, and NL, there was at least a 5 % (63,936, 44,054, and 29,814 people, respectively) increase in coverage. Lastly, BC announcements were followed by a 4 % (203,300 people) increase in coverage.
conclusionVaccine mandate announcements could have increased vaccine uptake. However, it is difficult to interpret this effect within the larger epidemiological context. Effectiveness of the mandates can be affected by pre-existing levels of uptake, hesitancy, timing of announcements and local COVID-19 activity.
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