surveillance (5) information (5) maladie (5) Reporting (5) Case (5) Grammar, Comparative and general--Case (5) Case (5) Avian influenza (5) Actors (5) maladie (5) statistiques (4) gestion (4) Costs (4) Statistics (4) Value (4) Statistics (4) Management (4) Farmers (4) Statistics (4) Management (4) volaille (3) diffusion (3) santé animale (3) public (3) Control (3) Methods (3) Animal health (3) Poultry (3) Medicine (3) Impact (3)