[1] Ctr Hosp Intercommunal Creteil, Serv Pediat Gen, 40 Ave Verdun, F-94000 Creteil, France
[2] Grp Pathol Infect Pediat, Paris, France
[3] Univ Paris Est, IMRB GRC GEMINI, Creteil, France
[4] Assoc Clin & Therapeut Infantile Val de Marne, St Maur Des Fosses, France
[5] Robert Debre Univ Hosp, AP HP, Dept Gen Pediat Pediat Infect Dis & Internal Med, Paris, France
[6] Univ Paris, INSERM, UMR 1123, ECEVE, Paris, France
[7] Ctr Hosp Intercommunal Creteil, Clin Res Ctr CRC, Creteil, France
[8] Inst Pasteur, Unit Invas Bacterial Infect, F-75724 Paris 15, France
[9] Natl Reference Ctr Meningococci, F-75724 Paris 15, France
[10] Ctr Hosp Intercommunal Creteil, Serv Neonatal, Unite Court Sejour, Petits Nourrissons, Paris, France