California hasn't seen a recurrence of widespread bird flu at poultry and egg ranches in the state since early this year.

The new cases are part of a national surge fueled by multiple factors, including a large outbreak in West Texas, illnesses ...

An ecological study finds increased uptake of recommended childhood vaccines was associated with a 47% decrease in the rate ...

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

While H5N1 does not have high mortality rates in dairy cows, the infection causes decreases milk production and milk quality, ...

The Centers for Disease Control and Prevention July 7 announced ( it is streamlining H5N1 bird flu updates with its routine ...

The Arizona Department of Agriculture did not say which dairy the milk with avian flu was detected at and said the risk to the public is low.

Bird flu has been detected in Arizona dairy cattle milk, and a dairy farm has been placed under quarantine as a precaution, according to officials.

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

A new variant of the bird flu has infected a dairy worker in Nevada marking the state's first human case of the H5N1 avian influenza.

A new strain of bird flu has infected a dairy worker in Nevada, marking the first cow-spread case, the CDC has reported. Jacob Glanville of Centivax addressed the public risk.

A Nevada dairy worker was infected with a new bird flu strain, marking the first case traced to cattle.