The rise of bird flu across farms in California has raised questions about the virus and its potential threat to humans.

The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

APHIS classifies the flock as a commercial operation – the state’s first since the U.S. outbreak began in 2022.

The US Department of Agriculture (USDA), the US Food and Drug Administration (FDA), and the Centers for Disease Control and Prevention (CDC), along with state partners, continue to investigate an ...

The number of bird flu cases reported in Europe and the US for the fourth-quarter of 2024 ramped up significantly ...

The administration said it was committing $306 million toward improving hospital preparedness, early-stage research on ...

Researchers identify 46 mild cases of avian influenza A(H5N1) in U.S. poultry and dairy workers, highlighting low PPE ...

Highly pathogenic H5N1 avian influenza A virus (HPAI H5N1) remains a low risk to the general public, and public health experts in the United States believe that available treatments and vaccines, as ...

An epidemiologist makes the case that a rush of research to stop a swine flu outbreak led to an accidental lab release of an ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

The virus is spreading among animals, while viral mutations raise concerns about potential adaptation to human hosts.

Although caution is encouraged for people in regular proximity with poultry or dairy cows, the risk of avian influenza is ...