The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.

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

For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

Public health officials have warned that new mutations of bird flu with human flu could have dangerous consequences.

With bird flu making headlines both nationally and locally, it might feel like déjà vu — a repeat of the calm before the storm that preceded the COVID-19 pandemic in ...

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

Shoppers and restaurant patrons in the U.S. were choosy about where and how to spend their money as they wrestled with high ...