Neonatal Unit;
Department of Mother and Child;
National University Teaching Hospital;
Cotonou;
Benin;
Pediatric Unit;
Mother and Child Hospital;
Ndjamena;
Chad;
Regional Institute of Public Health;
University of Abomey-Calavi;
Ouidah;
Benin;
University of Ottawa;
Ottawa;
Canada;
Hand; Washing; Nosocomial; Infection; Neonatal; Unit; Cotonou; Benin;