The risk of H5N1 infection remains “relatively low,” and no person-to-person spread of bird flu has been detected in California, the county said in an announcement on its website Thursday.

A series of reported outbreaks at some of the largest egg producers in the U.S. have caused a shortage in egg supplies, as infected flocks are typically culled to reduce the risk of transmission. Bird ...

Safari Park, San Diego Zoo and SeaWorld have not seen any of the animals in their collections infected in the three years ...

Bird flu has been detected in four dairy farms in San Bernardino County within the last 30 days; the first in the county ...

H5N1 is a subtype of the influenza A virus that primarily affects birds but according to the current data, this virus has now gained the potential to evade the human immune system and wreak havoc ...

A new H5N1 bird flu mutation has appeared in a cluster of infected dairy cows. It's a genetic change that scientists say ...

Veterinary experts nationwide have a variety of hypotheses for new and puzzling test results from cow milk being analyzed for ...

CALIFORNIA, USA — Editor's Note: The original article stated the CDPH confirmed the first cases when, in fact, it had traced the first cases to a dairy farm in the Central Valley. Health ...