Vaccine uptake in the context of mandate announcement and removal: Evidence from Europe and North America
Vaccine·
- DOI
- 10.1016/j.vaccine.2026.128825
- PMID
- 42284807
- PMCID
- —
- OpenAlex
- W7164607209
- Study type
- Journal article
- Publisher
- Elsevier BV
- Article type
- journal-article
- Integrity
- current
Why this research matters now
Regulatory measures appear capable of producing temporary shifts in immunization behavior, underscoring the value of strategic communication and phased implementation to preserve coverage during administrative changes.
Structured evidence summary
Research question
What is the relationship between the introduction and withdrawal of immunization requirements and subsequent vaccination rates in selected Western jurisdictions?
Study design
The investigation utilized an interrupted time series methodology applied to aggregated weekly dosing records, incorporating adjustments for concurrent infection counts, fatalities, and temporal dependencies.
Population and setting
Population-level metrics were drawn from national and regional databases covering France, Italy, and California within the United States.
Main findings
Policy introductions initially corresponded with sharp rises in administered doses, although these correlations weakened after accounting for concurrent disease metrics. Conversely, policy withdrawals generally aligned with reduced booster administration in European regions, while a partial adjustment in California paralleled higher booster rates.
Public-health relevance
Regulatory measures appear capable of producing temporary shifts in immunization behavior, underscoring the value of strategic communication and phased implementation to preserve coverage during administrative changes.
Important limitations
No explicit limitations are detailed in the supplied materials. Consequently, this assessment relies solely on the provided abstract and metadata, necessitating review of the full manuscript for decision-grade interpretation.
GIDS interpretation
This record offers background information on how administrative directives may align with immunization patterns in specific geographic areas, potentially aiding literature mapping on policy-driven vaccination trends.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 12 auditable classifier relationships to diseases, places, topics, and study design.