Table 1.
Recommended age for immunization and definitions of potentially dangerous vaccination delays according to expert advices obtained through a Delphi process.9
| Vaccination dose | Recommended age for routine immunization | Potentially dangerous vaccination delay |
|---|---|---|
| DTaP-IPV-Hib ± VHB | 2 months | > 15 days |
| 4 months | > 15 days | |
| 11 months | > 2 months | |
| PCV | 2 months | > 15 days |
| 4 months | > 15 days | |
| 11 months | > 2 months | |
| MMR | 12 months | > 1 month |
| 18 months | > 6 months | |
| MenC | 12 months | > 1 month |
DTaP-IPV-Hib ± VHB: diphtheria-tetanus-acellular pertussis-inactivated polio vaccine-Haemophilus influenzae b ± hepatitis B vaccine; PCV: pneumococcal conjugate vaccine; MMR: Measles-Mumps-Rubella vaccine; MenC: meningococcal C vaccine.