Check you are using the correct vaccine brand for age
Infanrix Hexa Full Prescribing Information, Dosage & Side Effects | MIMS Thailand
Infanrix/IPV/Hib®)
Kinrix DTaP and Polio Vaccine Children 4 to 6 Years of Age Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed / Inactivated Poliovirus Vaccine, Preservative Free Injection Single Dose Vial 0.5 mL - Suprememed
Infanrix-IPV+Hib Full Prescribing Information, Dosage & Side Effects | MIMS Philippines