H5N9 is “not commonly seen in poultry in general,” says Eman Anis, assistant professor at the University of Pennsylvania ...

Avian influenza, also known as bird flu, is a viral infection that primarily affects birds but can occasionally infect humans. In recent years, the threat of avian influenza has garnered attention ...

The CSIC-UNESPA scientific expedition has been underway since last January with the aim of monitoring the presence of the ...

More than 126,800 birds in New York have been affected by the avian flu since 2022, including thousands of new infections uncovered in recent months in New York parks, commercial flocks and backyard ...

Highly pathogenic avian influenza, or HPAI, has been detected on commercial farms in California and other parts of the U.S. The most recent outbreak of the highly transmissible strain of bird flu ...

Waterfowl are natural carriers of avian influenza viruses and play a significant role in spreading HPAI. The bird flu outbreak, which continues to spread across the U.S. and the Eastern Shore of ...

Egg restrictions, shortages and record-high prices are ruffling feathers at supermarkets across the U.S. as a deadly strain of avian flu continues to decimate the country's poultry flocks.