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Childhood vaccinations examined in the study
| Vaccine (active ingredients) | Given at age (in months) | Investigated for age-group (in years) for this study |
|---|---|---|
| 5-in-1 (DTaP/IPV/Hib) diphtheria, tetanus, acellular pertussis, inactivated polio vaccine and hib (haemophilus influenzae type b) | 2, 3, 4 | 2 |
| MMR measles, mumps and rubella | 13 (1st dose), 40–60 (2nd dose) | 2, 5 |
| 4-in-1 (DTaP/IPV) diphtheria, tetanus, acellular pertussis, inactivated polio vaccine | 40 | 5 |
