Global programme for the prevention and control of highly pathogenic avian influenza. Fourth Report, January - December 2010

animal salvaje animal sauvage aves de corral avian influenzavirus birds control de enfermedades disease control disease surveillance disease surveys encuestas sanitarias fao gestion du risque influenzavirus aviaire monde mundo oiseau poultry risk management vaccination vigilancia de enfermedades virus de la influenza aviar volaille wild animals