Updated on 10/03/2021Avian influenza is a highly contagious viral infection occurring in wild and domestic birds. Wild bird migration periods and movements have an impact on the level of risk of influenza virus transmission from wildlife to poultry farms. Liable to cause extremely high animal mortality and therefore major economic losses, some avian influenza viruses can be transmitted to humans under certain conditions. Here we present the profile of a highly contagious disease and describe the work of ANSES, a key player in preventing the spread of high-pathogenicity avian influenza viruses.
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