Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

Yahoo News provides the latest updates on the spread of bird flu in the U.S. and its effect on rising egg prices and ...

Delays in urgent CDC analyses of seasonal flu and bird flu, and the agency’s silence, will harm Americans as outbreaks ...

Kennedy Jr. was confirmed to the nation's top health position Thursday, Louisiana Surgeon General Ralph Abraham sent a memo ...

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our fight against the virus.

Avian influenza, or “bird flu,” is a disease caused by influenza A viruses that spread widely among wild birds, and can cause outbreaks in commercial and backyard poultry flocks. Though there ...

After going quiet on bird flu, CDC scientists have published a report on its spread among veterinarians. The findings suggest a need for better surveillance.

The worst flu season in years is swamping California, prompting a renewed surge in hospitalizations as officials warn the ...

Most of Trump’s health picks are uninterested in using most of the tools that can limit the spread of infectious disease.

Hollywood legend Kevin Costner ruminates on President Teddy Roosevelt in the new Fox Nation limited series 'Yellowstone to ...

The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years. One indicator of flu ...