Danish researchers found children 8-times more likely to have a febrile seizure on the day of vaccination of DTaP-IPV-HiB vaccine.
Risk of Febrile Seizures and Epilepsy After Vaccination With Diphtheria, Tetanus, Acellular Pertussis, Inactivated Poliovirus, and Haemophilus Influenzae Type b
Yuelian Sun, Jakob Christensen, Anders Hviid, Jiong Li, Et al. Journal of the Amercian Medical Association, February 22/29, 2012—Vol 307, No. 8.
“DTaP-IPV-Hib vaccination was associated with an increased risk of febrile seizures on the day of the first 2 vaccinations given at 3 and 5 months.”