At least 61 people in the US have contracted bird flu amid outbreaks in poultry and dairy cows. What are the symptoms? What ...

Avian flu has been causing outbreaks in poultry and dairy cows, affecting some people, raising concerns about how it is ...

The bird flu outbreak has spread to all 50 states, infecting dairy cattle, poultry farms and 61 humans across the country.

U.S. wholesale egg prices are shattering records as an accelerating outbreak of bird flu in laying hens slashes supplies ...

The CDC just confirmed the first case of severe bird flu in the U.S, and California just declared a state of emergency. Experts say it's not too early, or unreasonable, to prepare for the worst.

Bird flu has spread so widely that it was always going to make someone seriously sick.

A global outbreak of avian flu has reached Arizona, affecting animals and humans. Officials say the public health risk ...

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

Some 43% of the laying hens culled in response to bird flu in the past 30 days have been in Iowa, sending wholesale prices to ...

The Centers for Disease Control and Prevention called it the first severe case in the U.S., though the risk to most of the public is still low.

Health officials reported the first presumptive human case of H5N1 bird flu in northwest Wisconsin, the Wisconsin DHS said ...