The nationwide spread of highly pathogenic avian influenza, HPAI, also known as avian or bird flu, has many in Illinois concerned about livestock,

The United States has reported its first outbreak of H5N9 bird flu on a duck farm in California, according to the World Organization for Animal Health (WOAH) on Monday. H5N9 is a rare subtype of the influenza A virus that can cause highly pathogenic avian influenza (HPAI),

As a bird flu outbreak escalates across the United States., the Trump administration has paused the release of key public health studies, stalling research.

This latest outbreak is part of a broader epizootic that has swept across the United States, affecting not only poultry but also wild birds, mammals and humans.

Scientists say the temporary freeze on communications from federal officials creates a troubling blind spot for those tracking the virus.