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| Vaccine | WHO recommendation (6) | Operational definition | ||
|---|---|---|---|---|
| Minimum age | Minimum interval | Delayed | Early | |
| Pentavalent 1 | 6 weeks | >10 week | <42 day | |
| 4 weeks | ||||
| Pentavalent 2 | 10 weeks | >14 week | < 70 day | |
| 4 weeks | ||||
| Pentavalent 3 | 14 weeks | >18 week | < 98 day | |
| Measles | 9 months | 4 weeks | > 10 months | < 270 days |
