The Latest Breaking News from CDC

California declares state of emergency due to bird flu affecting dairy cows and people in the U.S. Protective measures and testing efforts are in place to ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in that state and causing sporadic illnesses in people in the U.S. That raises new questions about the outbreak of the virus, also known as Type A H5N1

California, the nation's most populous state, has declared a state of emergency after the virus struck hundreds of dairy herds, while Louisiana reports the first severe human case in a hospitalized patient.

U.S. life expectancy jumped last year, and preliminary data suggests there may be another — much smaller — improvement this year

Whether the rest of the nation is willing to follow California's lead remains to be seen.

Health officials say the 65-year-old was hospitalised after contact with an infected flock of back-yard birds.

Meanwhile, Delaware and Wisconsin report two possible infections, which if confirmed raises total cases to 63

A person in Louisiana has been hospitalized with the United States' first serious case of H5N1 bird flu, following 60 milder cases this year.

Experts confirm that properly cooked poultry and eggs pose no risk of bird flu transmission, with strict safeguards in place to ensure consumer safety.