Between the ages of 11-12 children usually get the Hepatitis B vaccination, and the immunization against measles, rubella, and mumps. Between the ages of 11 and 14, girls usually get the vaccination against human papillomavirus (HPV). Please ask your doctor to inform you about the risks and benefits of these vaccines.
http://www.vaccination-info.be/vaccinations-recommandees/enfant-de-11-14-ans
Adolescents from 14-16 years old get the vaccination against diphtheria, tetanus and pertussis.
http://www.vaccination-info.be/vaccinations-recommandees/adolescent-de-14-16-ans