More than 60 people in eight states have been infected with bird flu, which has mostly been responsible for mild illnesses so ...

The declaration of a state of emergency in California over avian influenza comes within days of the first severe human case ...

Reports that cows have been infected despite farmers' preventive measures indicate there are multiple routes of transmission ...

Governor Gavin Newsom declared a state of emergency this week months after the bird flu began spreading in the Central Valley.

Health officials have confirmed the first known severe illness in the U.S. caused by bird flu, and California’s governor on ...