How worried should we be about a bird flu pandemic?

The first known death from a bird flu virus in the US has sparked fears about another pandemic, yet the overall risk to the general public still remains low

​The first known death from a bird flu virus in the US has sparked fears about another pandemic, yet the overall risk to the general public still remains low The first known death from a bird flu virus in the US has sparked fears about another pandemic, yet the overall risk to the general public still remains low