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

California officials have declared a state of emergency over the spread of bird flu, which is tearing through dairy cows in ...

Reports that cows have been infected despite farmers' preventive measures indicate there are multiple routes of transmission ...

L.A. County public health officials are reupping their warning to pet owners: Do not feed pets raw food. More cats have been ...

While cases of bird flu in humans have steadily climbed since last fall, health officials maintain the risk to humans is low ...

When, where and how the H5N1 bird flu virus may evolve and its capacity to spark a pandemic is hard to predict — in part, ...

The bird flu outbreak has spread to all 50 states, these maps show. Here are the symptoms and what to do if you think you ...

The virus is passed from animals to people. While the current public health risk is low, people are encouraged to take ...

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

The ongoing bird flu outbreak has escalated dramatically, now impacting not only poultry but also mammals, including domestic ...

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

The U.S. Department of Health and Human Services announced Friday it will award $306 million in additional funding to monitor ...