Egg prices expected to stay high because of limited supplies as the virus continues to infect commercial flocks nationwide.

The United States has reported its first outbreak of H5N9 bird flu in poultry on a duck farm in California, Reuters reported, citing the World Organisation for Animal Health (WOAH) on Monday.

The Highly Pathogenic Avian Influenza, or bird flu, has resurged across Pennsylvania in recent weeks, causing significant bird mortality — particularly in wild geese. First detected in Pennsylvania

Louisiana still leads the nation with influenza-like illness but things are looking better. Looking at influenza-like illness across the US, Louisiana has led the nation

Avian flu is rampant in poultry farms and in wild birds in the U.S. Every mutation brings the virus one step closer to the brink of human-to-human transmission, but predicting whether a virus will cross that threshold remains an uncertain science.

F lu season is upon us and it's not just restricted to humans. Highly pathogenic avian influenza (HPAI), also known as avian influenza or bird flu, is a spreadable virus that affects wild birds, poultry, livestock, pets and, in rare cases, humans.

Staying a step ahead of the avian influenza virus with surveillance, testing and research could mean the difference between a close call and global catastrophe

Dr. Michael Osterholm says that the primary kind of birds impacted by the flu is migratory waterfowl, like geese and ducks, and these birds often hang out in farm fields where they defecate.

Officials at Lincoln Park Zoo confirmed Wednesday that a harbor seal and a Chilean flamingo each died of highly pathogenic avian flu earlier this month. In a statement, zoo officials said the

Two different lineages are currently circulating, one carried by wild birds, the other infecting dairy farms in the US. The challenge is to find out how far the virus is evolving to adapt to humans, following the death of an American patient.

The CDC is calling for expanded testing of bird flu after a child in California tested positive for the virus despite no known contact with animals.