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 latest CDC alert says testing for bird flu should move more quickly, ideally within 24 hours of a person’s hospital admission. “The system right now tells us what has already happened.

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 ...

California hospitals are struggling to keep up with the influx of flu cases. Meanwhile, it is unclear whether the United States will take part in an international flu vaccine meeting later this month.

The CDC continues to say the risk from bird flu remains low for most people. With seasonal flu cases high across the nation, nearly all patients hospitalized with influenza probably have the ...

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