It said captive birds and poultry at the sites would be culled. A two-mile (3km) protection zone, which means all poultry and captive birds in the area must be housed, has also be

Health secretary RFK, Jr. has repeatedly suggested that farmers should let bird flu spread through flocks. Experts explain why that’s a dangerous idea

The health secretary has suggested allowing the virus to spread, so as to identify birds that may be immune. Such an experiment would be disastrous, scientists say.