- Planned administration/administration of a vaccine not foreseen by the study protocol in the period starting 30 days before and ending 30 days after the dose of vaccines. Subjects may receive inactivated influenza vaccine or pandemic influenza vaccines any time during the study according to the national recommendation. Measles, mumps, rubella and varicella vaccination are allowed 30 days before or 30 days after the final vaccination of Hib-MenCY-TT or PedvaxHIB.