1. INSERM U1311, Dynamicure, UNICAEN, UNIROUEN, Virology Department, CHU Caen , Paris, France
2. INSERM U1311, Dynamicure, UNIROUEN, UNICAEN, Virology Department, CHU de Rouen , France
3. Centre d’appui pour la Prévention des Infections Associées aux Soins, CPias Normandie, CHU de Caen , France
4. Statistic Department , CHU de Caen, France
5. INSERM U1311, Dynamicure, UNICAEN, UNIROUEN, Pediatrics Department , CHU Caen, France