Epidemiology and Biostatistics Department;
Public Health Regional Institute;
Ouidah;
Benin;
Center of Research in Epidemiology;
Biostatistics and Clinical Research;
School of Public Health;
Université Libre de Bruxelles;
Brussels;
Belgium;
Health Promotion Department;
Public Health Regional Institute;
Ouidah;
Benin;
Environment and Health Department;
Public Health Regional Institute;
Ouidah;
Benin;
Community Health Workers; Health Information System; Vital Statistics; Capture-Recapture Method; Benin;