Bird flu spread closely linked to poultry trade, study says
The spread of bird flu types H5N1, H7N9 and H5N6 in China is closely connected to poultry trade networks rather than just wild bird migration, researchers have found.
- Spread of bird flu types H5N1, H7N9 and H5N6 closely connected to poultry trade networks rather than just wild bird migration, researchers say
- Report has been submitted to the Chinese government in hope it will help improve flu warning systems in China