Lindsey Grayson, Australian Researcher at Melbourne's Austin Hospital conducted a study that has led her to believe a surgical mask is as good as an expensive so-called N95 mask in protecting against the flu reports ABC Online from Australia. The findings are sure to be controversial because many companies are making a lot of money selling masks to citizens wishing to protect themselves from an eventual bird flu epidemic. Check out more information about buying a bird flu mask and make up your own mind before stocking up for a pandemic.