- Planned administration/administration of a vaccine not foreseen by the study protocol within 30 days before (Days - 1 to - 30) and 30 days (i.e. Days 0 - 29) after the first dose of vaccine. However, the administration of tetanus toxoid vaccine up to 8 days before the first dose of study vaccine is allowed. Enrolment will be deferred until the subject is outside of specified window.