Could a simple link change boost vaccine trust?
NCT ID NCT07532967
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested how different web link formats in vaccination invitation emails affect trust and willingness to book an appointment. Over 1,200 participants from the UK and US viewed one of three email versions with different link styles. The goal is to find the most trustworthy design to improve digital health communication.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If successful, this research could help public health agencies design more trustworthy digital invitations, potentially increasing vaccination uptake.
- What could go wrong
- This is a completed online experiment with hypothetical scenarios, not a real-world trial. Actual behavior may differ from stated intentions.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Essex
Colchester, Essex, CO4 3SQ, United Kingdom
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