The strain of flu scientists fear could spark a pandemic is showing signs of becoming resistant to an antiviral drug being stockpiled around the world, a warning that drugs being stored by governments might not be as strong a defense as hoped, flu experts say.
Bird flu shows resistance to drug
The discovery of a Vietnamese girl with a Tamiflu-resistant strain of the avian flu has raised concern about sole reliance on the anti-viral drug being stockpiled globally to fight a possible pandemic.
The report by an international team of researchers, including a University of Wisconsin-Madison scientist, will be published next week in the journal Nature.