Egg farms have invested millions into biosecurity, but their efforts have not been enough to contain an outbreak that began three years ago.

The first case of bird flu in a human in Ohio has been reported, according to officials. A farm worker from Mercer County, Ohio, located on the state's western border along Indiana, came into contact with deceased poultry that was infected with the virus,

Two vets said they had no known exposures to animals with known or suspected bird flu, and one said they didn’t practice in a state where there were known bird flu infections am