H5N1 en version mutante ? #it_has_begun
UN warns of mutant strain of bird flu virus - Asia-Pacific - Al Jazeera English
►http://english.aljazeera.net//news/asia-pacific/2011/08/2011829165436251177.html
Food agency says new strain of H5N1 avian flu is spreading in Asia and may breach defences of existing vaccines.