California on Thursday confirmed a fourth case of bird flu in a person who had contact with infected dairy cattle.
Canadian officials concerned about exposure risk, warn producers their animals might end up stuck if bird flu is found at any U.S. livestock show they attend
Highly pathogenic avian influenza has rocked the feather sector in North America and the U.S. dairy sector
Highly pathogenic avian influenza in U.S. cows and poultry continues to fly high