scary articles surfacing

Looks like some scary developments have been happening around the world increasing the liklihood of a global pandemic... I already have some Relenza stockpiled but will be going to the GP for additional doses. Does anyone know of any good anti-flu masks?

http://www.digitaljournal.com/article/270449

"The deadly H5N1 virus, a scourge among avian species in Asia, appears to have adapted to operate in swine populations, a report in the Archives of Virology finds.
The H5N1 virus - a headline-producing species that regularly ravages avian populations throughout Asia - appears to have successfully mutated toward residence in pigs. While the pig variety may be less virulent than its avian-oriented cousins, it is acknowledged among virologists that the transference to the swine environment is a precursor to human infection. "

http://www.independent.co.uk/news/science/new-bird-flu-cases-suggest-the-danger-of-pandemic-is-rising-1667526.html

"Experts say that these developments make it more likely that the virus will spread. Ironically, its very virulence has provided an important safeguard. It did not get much chance to infect other people when it killed its victims swiftly, but now it has much more of a chance to mutate and be passed on. "