We talked to experts about where the science is on risks to humans and how the virus is messing with the food supply.

The egg industry has spent millions of dollars on measures to prevent avian influenza from devastating their flocks.

Egg farmers are starting to worry that the fight against the avian flu is unwinnable. Producers across the country are bleeding millions of dollars to invest in biosecurity efforts to rebuild their rapidly dying flocks — all while protecting humans from catching the deadly disease,