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External research case study

Vaccine reminders: what a systematic review tells us

Reminder research across settings, and why a saved notification is different from a completed vaccination.

Source checked 23 October 2026 · By Waqar Ilyas · Not clinically reviewed

The question

Can patient reminder and recall interventions improve receipt of immunization?

Evidence across settings

The Cochrane review brings together studies involving different age groups, countries, settings, and reminder methods. A systematic review can reveal a broader pattern while still containing substantial contextual variation.

What the review supports

The review found evidence that reminder and recall systems can improve vaccination receipt in studied settings. Methods and certainty vary. Consult the original review for study selection, effect estimates, and limitations.

What the review does not establish

It did not test Vayvi, guarantee notification delivery, or establish which vaccination schedule applies to an individual. A reminder is not a clinical recommendation or a record of a completed dose.

Practical record organization

Keep the source schedule, planned task, and completed record distinct. Preserve provider documents and discuss uncertain entries with a qualified provider.

Read the original research

Jacobson Vann et al. (2018). Patient reminder and recall interventions to improve immunization rates. Cochrane Database of Systematic Reviews.