Bird flu: US food safety regulators expand bird flu testing in milk products

More than 120 dairy herds in 12 states have tested positive for bird flu since March, according to the U.S. Department of Agriculture. Federal officials have warned that further spread among dairy cows could heighten the risk of human infections.

The risk to the general public from bird flu remains low, federal officials have said, though it is higher for workers on dairy farms, who should wear personal protective equipment to reduce the risk of infection. ...