1. From the Department of General Pediatrics, Pediatric Infectious Disease, and Internal Medicine (Z.A., A.G., N.O.), Centre d’Investigations Cliniques, INSERM Unité 1426 (Z.V.), the Pediatric Intensive Care Unit (M. Levy, P.S.), the Pediatric Emergency Department (L.L.), the Department of Microbiology (M.G.-M.), the Neonatal Intensive Care Unit (V.B.), and the Unit of Clinical Epidemiology, INSERM Unité 1123 and Epidémiologie Clinique du Centre d’Investigation Clinique 1426 (K.D., O.A.), Robert-Debré...