A Sonoma County duck farm is being forced to destroy tens of thousands of ducks that have been or will be infected by a ...

Asymptomatic human avian influenza A (H5N1) infections occur, and person-to-person transmission is likely in some settings, ...

Over the last two months, the virus was detected on nearly 50 commercial poultry farms, leading to the mass culling of 7.3 million farmed birds — more than during the same period in previous years.