H5N1 Bird Flu Virus Is Changing (Medical News Today) According to a report in last week's Proceedings of the National Academy of Sciences on the identification of a new H5N1 virus sublineage in poultry, this new virus sublineage, called Fujian virus, appears to have become the dominant strain of the H5N1 avian influenza circulating in parts of Asia. [click link for full article] [News Source]