Just released this article that look to me like they are getting...

Just released this article that look to me like they are getting ready to raise level. Certainly makes for somba reading while the population goes on blissfully unaware ( which is probably a good thing )

''A distinctive feature of influenza viruses is that mutations occur frequently and unpredictably in the eight gene segments, and especially in the haemagglutinin gene. The emergence of an inherently more virulent virus during the course of a pandemic can never be ruled out.''


http://www.who.int/csr/disease/swineflu/assess/disease_swineflu_assess_20090511/en/index.html