Influenza levels in the US are the highest they've been in 15 years amid winter weather and a second wave of the virus.

The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...

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.

As cases of H5N1, also known as avian flu or bird flu, continue to surface across the U.S., safety precautions are ramping up. The U.S. Centers for Disease Control and Prevention (CDC) announced ...

Seasonal flu activity ... say this is expected to continue for the next few weeks. Many states across the U.S. have been placed in the ‘high’ or ‘very high’ category in the CDC’s Weekly ...

Any patient hospitalized with influenza should be quickly checked for H5N1 bird flu, the Centers for Disease ... influenza patients. CDC officials say they extended the guidance now because ...

NEW YORK (AP) — The U.S. winter virus season is in full force, and by one measure is the most intense in 15 years.