In addition to countries throughout Europe, the Middle East and Asia recently affected by deadly bird flu, the UN Food and Agriculture Organization on August 29 identified a new vaccine-resistant strain of the virus in China and Âu Lạc (Vietnam), saying that it could spread to nearby nations and beyond.

http://www.france24.com/en/20110829-un-warns-mutant-bird-flu-china-vietnam
http://www.healthnews.com/en/news/UN-Warns-of-Spreading-H5N1-Bird-Flu-/2fs92MFJ52GfDV2RlqyH5b/