Reminder or recall systems to improve the rate of immunisation
| Vaccination type | Number of RCTs | Odds ratio (95% CI)* |
|---|---|---|
| *Odds ratio for being up to date or having received vaccinations. | ||
| Routine childhood (universal) | 14 | 2.02 (1.49 to 2.72) |
| Childhood influenza (targeted high risk) | 2 | 4.25 (2.10 to 8.60) |
| Adult pneumococcal or tetanus | 5 | 5.14 (1.21 to 21.8) |
| Adult influenza | 18 | 2.29 (1.69 to 3.10) |