Evaluation of Immune Response Against the Strain of Neisseria Meningitidis B: 14, P1-7, 16 Patients Vaccinated With MenBVac® (Extension MenbVac)

Phase 3, Vaccinal Activity Assessment of MenBVac Against Nesseiria Menigitidis B:14,P1.7,16 Strain in Child Vaccinated With MenBVac®

This study aims to estimate the vaccinal immunity four years after four doses of MenbVac in children aged 4-8 years.

Inclusion Criteria:

• children born between 01/01/2000 and 06/23/2005, living in Dieppe-Est, Dieppe-Ouest and Offranville, vaccinated with four doses of MenBVac in the first MenbVac clinical trial study,
• parental authority(ies)assent.

Exclusion Criteria:

• no parental authority(ies)assent,
• no parental authority(ies)assent,
• no blood sample during the third vaccination,
• impossibility of third vaccination.